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1091results about "Packaging vehicles" patented technology

Paper-based package cushioning for a packaging assembly

A packaging assembly for a domestic appliance may include a corrugated frame defining an enclosed section. The packaging assembly may further include a paper-based package cushion fully enclosed within the enclosed section of the corrugated frame. The paper-based package cushion may include a molded paper composite. The molded paper composite being a wet molded paper composite formed via a wet molding process.
Owner:HAIER US APPLIANCE SOLUTIONS INC

Display device and storage box

The utility model discloses a display device and a storage box, and relates to the technical field of information display and display. The display device comprises a supporting frame, a first display screen, a second display screen, a first connecting cable and a cable protection structure. The second display screen is rotationally connected with the first display screen so as to have an unfolded state located above the first display screen and a folded state covering the display surface of the first display screen. The first connecting cable is electrically connected with the first display screen and the second display screen; the cable protection structure is arranged on the periphery of the first connecting cable in a sleeving mode and can stretch out and draw back in the axial direction. In the unfolding state, the cable protection structure retracts and is hidden in the first display screen and the second display screen; in the folding state, the cable protection structure is stretched and exposed out of the first display screen and the second display screen. According to the technical scheme provided by the utility model, the reliability of the display device is improved while the transportation convenience is improved.
Owner:SHENZHEN CLT ELECTRONICS CO LTD

Apparatus, system and method for modular manufacture

The disclosure is of and includes at least an apparatus, system and method for modular manufacturing. The apparatus, system and method may include at least a device shell capable of providing at least the structure of a manufactured device, wherein the device shell comprises a plurality of receivers; a plurality of modules, each comprising a plurality of components suitable, in combination, to provide functional aspects to the manufactured device; a plurality of connectors externally associated with each of the plurality of modules, wherein the plurality of connectors are capable of being respectively received by ones of the plurality of receivers to thereby fasten each of the plurality of modules into the device shell.
Owner:JABIL INC

Transport package of electronic sports chair

The invention relates to an electronic sports chair transport package which comprises an outer box and a buffer assembly, the buffer assembly is arranged in the outer box and comprises a bottom buffer paper card, the bottom buffer paper card is placed at the inner bottom of the outer box, and an electronic sports chair comprises a base plate, five-star feet, armrests, a backrest and a cushion which are placed in a split mode. A first protruding plate and a second protruding plate are arranged on the bottom buffering paper card, the middle of the base plate is placed on the first protruding plate, one end of the base plate makes contact with the second protruding plate, the other end of the base plate is clamped on one side of the first protruding plate, the five-star feet are placed on the second protruding plate, EPE pearl wool is arranged on the two sides of one end of the bottom buffering paper card, and the handrail is connected to the EPE pearl wool in a clamped mode. The backrest is placed above the base plate and the five-star feet, the cushion is placed above the backrest, and L-shaped paper cards are arranged at four corners of the bottom buffering paper card. The packaging strength is improved, the buffering protection on the electronic sports chair parts is also improved, and the safety in the transportation process is guaranteed.
Owner:MYS GRP CO LTD

Robot packaging box, autonomous charging system and charging method

The invention discloses a robot packaging box, an autonomous charging system and a charging method.A charging area is arranged in a box body of the packaging box and used for arranging a charging device, a positioning piece is installed on the inner side of an upper cover body, and the upper cover body can be switched between a transportation posture and a charging posture by changing the relative position of the upper cover body and the box body; in the charging posture, the upper cover body is vertically connected with the box body, so that the positioning piece is exposed out of the box body to guide the robot to enter a charging area. Therefore, through switching of the upper cover body between the transportation posture and the charging posture, the packaging box not only can achieve a traditional transfer protection function, but also can be used as a charging facility, idling is avoided, and the resource utilization rate is increased.
Owner:58 INTELLIGENT TECH (HANGZHOU) CO LTD

Seat tray

The utility model relates to the technical field of automobile seat trays, and discloses a seat tray, a foldable support frame of the seat tray comprises a foldable support seat, a foldable front support and a foldable rear support, a foldable middle support is arranged on the foldable rear support, a front stop lever, a middle stop lever and a rear stop lever are arranged between the corresponding foldable supports, and the front stop lever, the middle stop lever and the rear stop lever are arranged on the foldable support seat. Supporting mops are arranged between the front stop lever and the middle stop lever and between the rear stop lever and the middle stop lever. The supporting frame can be folded and contracted so as to facilitate stacking and transportation of the seat tray, a front-gear storage space, a middle-gear storage space and a rear-gear storage space can be conveniently formed after the supporting frame is unfolded so that the seats can be placed, mutual extrusion deformation between the seats is avoided, the foldable middle support can be folded, the seats are arranged between the front support and the rear support, and the supporting frame is convenient to use. The foldable middle support can be unfolded to form a front storage space and a rear storage space, adjustment can be conveniently carried out according to needs, and the foldable storage rack has the advantages of being simple in structure, ingenious in design, high in practicability, good in using effect and wide in application range.
Owner:ZHENGZHOU HUANGHE ZHONGGONG ELECTROMECHANICAL TECH CO LTD

Combined low-voltage electrical control cabinet

The invention relates to the related field of electrical engineering, in particular to a combined low-voltage electrical control cabinet which comprises a control cabinet body, a door leaf is hinged to the control cabinet body, a relay is connected to an installation area in the control cabinet body, and a supporting assembly is connected to the bottom of the control cabinet body. The supporting assembly comprises a connecting beam, and the top of the connecting beam is fixedly connected with the bottom of the control cabinet. When a pallet fork moves to the tail end in a limiting frame, the back face of a control cabinet makes contact with a pallet fork goods blocking frame, then a vertical rod on the goods blocking frame is inserted into the middle area of a first arc-shaped frame and a second arc-shaped frame, and when the pallet fork moves upwards, the pallet fork indirectly drives the first arc-shaped frame and the second arc-shaped frame to rotate through a guide plate; the first arc-shaped frame and the second arc-shaped frame are rotationally closed to be clamped and fixed to a vertical rod on the goods blocking frame, so that when the control cabinet is connected with a pallet fork on a forklift for transfer, the bottom and the back of the control cabinet and the pallet fork on the forklift are automatically connected, fixed and automatically detached in a multi-point mode, and operation steps are reduced.
Owner:JIANGSU DONGGAO ELECTRIC CO LTD

Universal threshold beam loading and unloading carrier

A universal threshold beam loading and unloading carrier comprises a positioning mechanism arranged on a base frame, the positioning mechanism comprises a first supporting frame, a second supporting frame, a third supporting frame, a fourth supporting frame, a first pressing frame and a second pressing frame, the first supporting frame, the second supporting frame, the third supporting frame and the fourth supporting frame are identical in structure, and each supporting frame comprises a first support and a linkage block which are installed on the base frame. A plurality of supporting blocks are hinged in the height direction at intervals, limiting rods are arranged below the inward ends of the corresponding supporting blocks, linkage blocks are arranged between every two adjacent supporting blocks, the lower ends of the linkage blocks are hinged to the outward ends of the supporting blocks on the lower layer, and limiting grooves are formed in the upper ends of the linkage blocks and hinged to the outward ends of the supporting blocks on the upper layer. Each pressing frame comprises a second support installed on the machine frame, the second supports vertically extend upwards, a plurality of pressing blocks are arranged in the height direction at intervals, and the extending ends of the pressing blocks are elastic sections. The automatic loading and unloading device is simple in structure and low in machining cost, can automatically load and unload a plurality of threshold beams, is suitable for the threshold beams of multiple specifications, and meets the transportation requirements of logistics enterprises.
Owner:CHONGQING CHANGLIANG LOGISTICS TECH CO LTD

EPS (Expandable Polystyrene) foam packaging box for transporting automobile top cover

The EPS foam packaging box comprises a packaging box body, a supporting face, a positioning face, a positioning block and a limiting groove matched with the positioning block, the positioning block and the limiting groove are located on the upper surface and the lower surface of the packaging box body respectively, and the supporting face and the positioning face are located on the upper portion and the lower portion of the packaging box body respectively. The supporting surface is matched with a first surface of the automobile top cover, and the positioning surface is matched with a second surface of the automobile top cover; through cooperation of the positioning blocks and the limiting grooves, the two EPS foam packaging boxes used for transporting the automobile top covers are stacked, and the edges of the two stacked packaging box bodies are attached to each other. According to the EPS foam packaging box for transporting the automobile top covers, through cooperation of the positioning blocks and the limiting grooves, the packaging boxes for transporting the automobile top covers can be stacked, the edges of the two stacked packaging boxes for transporting the automobile top covers are attached, and reliable protection of the automobile top covers is achieved.
Owner:ANHUI XIANGXIN NEW MATERIAL TECH CO LTD

Trace element detection device

The invention belongs to the technical field of trace element detection, and particularly relates to a trace element detection device which comprises a storage box, an access hole is formed in the front end of the storage box, a detachable cover plate is clamped in the access hole, a moving cavity opening is formed in the upper side of the storage box, and a protection plate is clamped in the moving cavity opening. A lifting mechanism is fixed to the rear end of the interior of the storage box, a vertical plate is fixed to the front end of the lifting mechanism, and the upper side of the vertical plate is fixedly connected with the lower side of a protection plate. The trace element detector is clamped and fixed to the interior of the storage box, and when the trace element detector needs to be used, the trace element detector can be moved to the exterior of the storage box; and when not in use, the device can be moved into the storage box to be effectively protected, accidental collision and damage are avoided, and the device is small in size and can be carried at will by directly carrying the storage box.
Owner:BEIJING HESHI LONGYUAN TECHNOLOGY DEVELOPMENT CO LTD

Cushioning devices having unitary bodies in looped configurations

A cushioning device (100) has a unitary body formed from a resilient material. The unitary body has a length, a width, and a thickness; first and second ends (104, 106) located opposite each other in a direction of the length of the unitary body; first and second coupling mechanisms (108, 110) located on the first and second ends of the unitary body; and a slot (116) through the thickness of the unitary body. The length of the unitary body is greater than the width of the unitary body. When the unitary body is in a looped configuration, the first and second coupling mechanisms are couplable to each other to hold the unitary body in the looped configuration. When the unitary body is in the looped configuration, the slot is capable of having a side or a corner of an object slid therethrough so that the unitary body in the looped configuration provides cushioning for the object.
Owner:SEALED AIR VERPACKUNGEN

All-terrain vehicle packaging structure

The utility model relates to the technical field of vehicles, in particular to an all-terrain vehicle packaging structure which comprises a frame, the frame forms a packaging space and comprises a first top beam, a first supporting frame, a second top beam and a second supporting frame, the first top beam is located at the top of the frame, and the first supporting frame is arranged on the side, facing the interior of the packaging space, of the first top beam; a first containing space is formed between the first supporting frame and the first top beam, the second top beam is located on the top of the frame and basically parallel to the first top beam, the second top beam is provided with a notch, the second supporting frame is arranged on the side, facing the interior of the packaging space, of the second top beam, and a second containing space is formed between the second supporting frame and the notch. The top cover does not occupy the space of the bottom or the side portion in the all-terrain vehicle packaging structure, so that the space utilization rate is increased, and the risk that the top cover scratches other parts can be reduced.
Owner:ZHEJIANG CFMOTO POWER CO LTD

Self-adaptive storage system suitable for high-cleanliness optical machine module

The invention discloses a self-adaptive storage system suitable for a high-cleanliness optical machine module, which comprises an optical vibration reduction platform, at least one group of clamping mechanism is arranged on the optical vibration reduction platform, and each group of clamping mechanism comprises two clamping devices, the holder comprises a support installed on the optical damping platform, a supporting plate assembled on the lower portion of the support in an up-down sliding mode and a clamping block installed on the upper portion of the support, a linkage assembly is arranged between the clamping block and the supporting plate, and when the supporting plate slides downwards relative to the support, the linkage assembly can drive the supporting plate to move inwards relative to the support; the two clamping devices of each clamping mechanism are arranged oppositely, and after the optical machine module is placed on the supporting plate, the two clamping blocks can abut against the two ends of the optical machine module under the action of gravity driving and linkage assembly transmission. The optical damping platform has the beneficial effects that through the clamping mechanism, it is guaranteed that the optical machine module is vertically and stably placed on the optical damping platform, and the temporary storage occupied area of the optical machine module is greatly reduced.
Owner:LASER FUSION RES CENT CHINA ACAD OF ENG PHYSICS

Protection device for compressor transportation

The utility model provides a protection device for compressor transportation, and relates to the field of compressor transportation and packaging. The protection device for transportation of the compressors comprises a main body and a plurality of fixing parts, wherein a plurality of fixing parts in one-to-one correspondence with the compressors are formed on the main body; the main body comprises an upper cover and a bottom plate which are detachably connected, and the bottom plate is provided with a reinforcing part; the protection assembly is arranged between the compressor and the main body; the protection assembly comprises an anti-collision piece and an anti-scraping piece. The fixing parts in one-to-one correspondence with the compressors are arranged on the main body of the protection device, so that the corresponding protection effect on the compressors can be achieved; in addition, a protection assembly is further arranged between the main body and the compressor, and therefore the compressor can be further prevented from being scratched, collided and the like in the transportation process. In this way, when the compressor is transported through the protection device, the compressor can be comprehensively and accurately protected, and damage to the compressor is effectively avoided.
Owner:JOHNSON CONTROLS HITACHI WANBAO COMPRESSOR GUANGZHOU CO LTD

Electronic Equipment Holding and Mounting Assembly

An equipment holding and mounting assembly. The equipment holding and mounting assembly includes a base assembly with an inner volume designed to receive the equipment, and an upper containment structure designed to fit flush on the top of the base assembly to contain the equipment therein. The holding and mounting assembly includes sloped sides and curvatures to match particular equipment for use with the assembly. The holding and mounting assembly also includes bottom side attachment mechanisms for securing the holding and mounting assembly to other structures, e.g., equipment racks and / or shelving.
Owner:STRAIT STEVEN

Transportation device for foundation embedded parts of steel chimneys

The utility model provides a transportation device for a foundation embedded part of a steel chimney, which is applied to the technical field of self-standing steel chimneys, and is characterized by comprising a frame body and a fixing frame, a template is fixed on the fixing frame, and the fixing frame is fixed on the frame body; the at least two stacking frames are fixed to the frame body side by side, and each stacking frame comprises two pieces of first channel steel vertically fixed to the frame body and a plurality of pressing plates with the two ends inserted into the two pieces of first channel steel correspondingly; the foundation bolts are stacked between every two adjacent pressing plates. The fixing frame is arranged on the stacking frame in a pressing mode and provides downward pressure so that the foundation bolts can be fixed to the stacking frame. The steel chimney foundation embedded part has the technical effects that the foundation embedded part can be fixed into a whole, a template and a foundation bolt of the steel chimney foundation embedded part are protected from being damaged, and the transportation cost of the steel chimney foundation embedded part is also reduced.
Owner:SUZHOU RAINBOW ENVIRONMENTAL EQUIP CO LTD

Device and system for automatically measuring lighting effect of lamp

The utility model relates to a device and a system for automatically measuring the lighting effect of a lamp, the device comprises a cabinet body for placing the lamp and a drawer which can be folded in the cabinet body or extend out of the cabinet body, and an optical measuring instrument which can be moved to a proper test position to obtain the optical data of the lamp is arranged in the cabinet body. The device is designed to be of a drawer type structure and has certain sealing performance, light rays of a tested lamp are not interfered by non-measurement light, the lighting effect measurement precision of the lamp is improved, and the detection, verification and correction efficiency of lamp products can be greatly improved by combining the device with a system.
Owner:GUANGDONG YIRI TECH CO LTD

High-end wire rod automobile transportation protection method

The invention relates to the technical field of high-end wire rod transportation protection, and discloses a high-end wire rod automobile transportation protection method which comprises the steps of S1, preparation and pretreatment of protection materials before transportation, S2, protection installation of the bottom and side faces of an automobile box body, S3, coil loading and interval protection arrangement, S4, protection reinforcement and inspection after loading and S5, monitoring and unloading protection in the transportation process. Through combined protection of the bottom paperboard, the side face longitudinal wood plates, the end longitudinal wood plates and the transverse wood plates, full-contact isolation between the coils and the automobile box body and between the coils is achieved, the occurrence rate of the scratches is reduced to 0.5% or below from traditional 30% or above, the problem of surface damage in the transportation process is thoroughly solved, and the production efficiency is improved. According to the method, standardized materials are achieved, the protection reliability is improved, the type selection standards of high-strength corrugated boards and solid wood boards with the water content smaller than or equal to 12% are defined, the anti-corrosion and damp-proof pretreatment technology is matched, the durability of the protection materials is improved by 60% or above, and secondary damage caused by the problems of the materials is avoided.
Owner:HUNAN VALIN XIANGTAN IRON & STEEL CO LTD

Laser calibration platform

The utility model relates to the technical field of Fourier transform infrared spectrometer laser calibration, and discloses a laser calibration platform which comprises a laser detection box placed on a table board; the limiting structure comprises a first limiting part and a second limiting part, the first limiting part comprises an adjusting plate arranged in the laser detection box, a light-transmitting plate is fixedly mounted in the adjusting plate, two groups of protective frame plates are fixedly mounted at the top of the light-transmitting plate, and two groups of first electric push rods are arranged in the protective frame plates; sliding blocks are fixedly installed at one ends of the first electric push rods, and a limiting plate is fixedly installed between every two sets of sliding blocks. The second limiting part comprises two groups of first magnetic strips fixedly mounted at the top of an adjusting plate, and a protective cover plate is arranged at the top of the adjusting plate, so that the purpose of limiting and fixing the medicine is achieved, the problem of medicine position deviation is solved, the medicine scanning and detecting effects are improved, and the use stability of the device is improved.
Owner:JILIN NORTHEAST ASIA PHARM CO LTD

Combined packaging support for cab and tail of pickup truck

The utility model discloses a combined packaging support for a cab and a tail of a pickup truck, which relates to the technical field of vehicle transportation and comprises a packaging support bottom plate, two anti-skid tracks are fixedly mounted on the top surface of the packaging support bottom plate, and a plurality of locking mechanisms and clamping mechanisms are arranged above the packaging support bottom plate. The locking mechanism comprises a locking box, the clamping mechanism comprises a fixing box fixedly connected with the locking box, and an adjusting plate is slidably connected into the fixing box. Through the arrangement of the locking mechanism and the clamping mechanism, the locking mechanism can complete the locking operation on the pickup truck tire, the clamping mechanism can clamp the two sides of the tire, the fixing stability of the device on the pickup truck tire is effectively enhanced, the fixing effect is good, the stability is high, operation is relatively simple, the protection effect of the device is enhanced, and the safety of the device is improved. And the device can better adapt to the sizes and shapes of different tires, and the applicability of the device is improved.
Owner:YANGZHOU JINYUN AUTO PARTS CO LTD

Disassembling, assembling and transferring device for valve bearing chamber of nuclear power plant

The utility model discloses a nuclear power plant valve bearing chamber disassembling, assembling and transferring device which comprises a first moving frame and a second moving frame. The first moving frame is provided with first moving wheels, a first bearing assembly and a second bearing assembly are arranged on the first moving frame, the first bearing assembly comprises a first bearing seat, and first bearing wheels are arranged on the first bearing seat; the second bearing assembly comprises second bearing seats, and each second bearing seat is provided with a second bearing wheel; a first guide rail is arranged on the first moving frame; the second moving frame is provided with second moving wheels and a sliding seat, and the second moving frame is further provided with a lifting platform used for supporting a nuclear power plant valve bearing chamber. The device can realize the transfer of the valve body of the nuclear power plant valve, especially a large gate valve, and the disassembly and assembly inspection of the bearing chamber of the nuclear power plant valve, and can effectively shorten the staying time of workers in a high-dose area, thereby reducing the irradiation dose of the workers, and reducing the safety risk of the workers. And the disassembly and maintenance efficiency of the nuclear power plant valve bearing chamber can be improved.
Owner:YANGJIANG NUCLEAR POWER +1

Storage box for automobile parts

The utility model belongs to the technical field of automobile parts, and particularly relates to a storage box for automobile parts, which comprises a storage box. A plurality of clamping grooves are formed in the inner side wall of the bottom of the storage box; a sliding block is connected into the clamping groove in a sliding mode. The top of the sliding block is fixedly connected with a base. A plurality of triangular long rods are fixedly connected to the top of the base; a plurality of independent triangular long rods are arranged in the storage box, when the automobile parts are stored, the automobile parts are only in vertical contact, gaps are reserved between the automobile parts around the automobile parts, the automobile parts are not prone to colliding with one another due to transportation shaking in the storage box, and then the problem of deformation or abrasion is reduced; the safety of the automobile parts during transportation or storage is improved; parts are placed through the triangular long rods, the automobile parts are stacked together in cooperation with the rubber rings, it is guaranteed that the automobile parts are placed stably, the remaining space of redundant parts is reduced, and collision abrasion of paint faces of the parts is reduced.
Owner:YIBIN OULUN CATALYTIC TECHNOLOGY CO LTD

Packaging structure suitable for front overhang engine

The invention relates to a packaging structure suitable for a front overhang engine, which comprises a packaging frame body, the packaging frame body comprises a bottom steel framework, a rigid fence is fixedly connected to the periphery of the top of the bottom steel framework, and the rigid fence and the bottom steel framework are mutually connected to form a rectangular frame structure with an open top; the mounting and positioning mechanism comprises a vertical supporting mechanism and a horizontal limiting mechanism which are fixed at the top of the bottom steel framework and are used for positioning and supporting the front auxiliary frame, and a supporting cross beam which is connected to the rigid fence and is used for fixing and supporting an upper suspension of the power assembly. The vertical supporting mechanism and the horizontal limiting mechanism are arranged at the top of the bottom steel framework and used for positioning and supporting the front auxiliary frame, the supporting cross beam is arranged on the rigid fence and used for fixing and supporting the suspension on the power assembly, and then the front suspension engine assembly is fixed to the packaging frame body, so that the suspension is fully stressed, the bottom supporting acting force is reduced, and the packaging efficiency is improved. And the damage to the engine and the electric driving unit caused by impact is reduced.
Owner:VOYAH AUTOMOBILE TECH CO LTD

Electronic device carrier tray

An electronic device carrier tray, comprising a tray body, wherein the tray body has a plurality of support ribs, and the plurality of support ribs are spaced apart and parallel; a restriction direction is defined on the tray body, and the restriction direction is perpendicular to the plurality of support ribs; the tray body has a plurality of accommodating portions between any two adjacent support ribs of the plurality of support ribs, and the tray body has a plurality of pickup grooves between any two adjacent support ribs of the plurality of support ribs; two sides of each accommodating portion respectively communicate with two pickup grooves of the plurality of pickup grooves, and a maximum aperture of each pickup groove in the restriction direction is greater than a maximum length of each accommodating portion in the restriction direction.
Owner:YOKE INDAL CORP

Transport packaging for a sash window unit

The application discloses a kind of transport packaging of saddle type window machine, it includes upper cushion block and lower cushion block;Upper cushion block includes upper roof and is located at the first flanging of upper roof four, and downwardly extending, the upper profile of window machine is located in the space surrounded by upper cushion block;Lower cushion block includes lower bottom plate and is located at the second flanging of lower bottom plate four, and upwardly extending, lower bottom plate is equipped with midsection, and the accommodating space is equipped in midsection, midsection separates the space surrounded by lower cushion block into first space and second space, outdoor unit is located in first space, indoor unit is located in second space, midsection is located between outdoor unit and indoor unit, the top of midsection and the bottom surface of saddle bridge structure abut, and the accommodating space of midsection places window machine accessory.The transport packaging can effectively improve the reliability in the process of window machine transportation, and the internal structure is compact.
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +1

Transfer tool for energy storage structure

The utility model relates to the technical field of tool jigs, in particular to an energy storage structure transfer tool. The energy storage structure transfer tool comprises bearing plates, fixing shafts, fixing pieces and bearing beams, the multiple vertically-arranged bearing plates are arranged at intervals in the first direction, and each bearing plate is provided with a notch, a first mounting hole and a second mounting hole; projections of the notches, the first mounting holes and the second mounting holes in the bearing plates coincide in the first direction, the ends, in the second direction, of the notches are communicated with the outside, the lower end faces of the notches are used for bearing the energy storage structure, the first direction and the second direction are perpendicular to each other in the horizontal plane, and the fixing shaft sequentially penetrates through the first mounting holes in the first direction and penetrates through the second mounting holes in the second direction. The fixing parts are arranged on the peripheries of the fixing shafts in a sleeving mode and detachably connected with the fixing shafts, the fixing parts are arranged at the two ends of each bearing plate in the first direction, the bearing beams sequentially penetrate through the second mounting holes in the first direction, the bearing beams can be in lap joint with an external driving mechanism, and transfer of the energy storage structure is achieved.
Owner:JIANGSU TUOMILUO ENVIRONMENTAL TEST EQUIP CO LTD