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25results about How to "Reduce work complexity" patented technology

Temperature control valve

The invention discloses a temperature control valve. The temperature control valve comprises a valve body, a valve element assembly and a temperature sensing assembly. A conveying space and a temperature sensing space are defined by the valve body, a liquid inlet, a first liquid outlet and a second liquid outlet are formed in the peripheral wall of the valve body in the conveying space, the temperature sensing space is communicated with the liquid inlet, and the valve element assembly is movably installed in the conveying space; the temperature sensing assembly comprises a reversing piece and a temperature sensing piece, the reversing piece is movably arranged in the temperature sensing space, the temperature sensing piece is arranged in the temperature sensing space, and the reversing piece is in transmission connection with the temperature sensing piece and the valve element assembly; when the temperature of the fluid is lower than the preset temperature, the fluid drives the reversing part to drive the valve element assembly to communicate with the liquid inlet and the first liquid outlet and block the liquid inlet and the second liquid outlet. And when the fluid temperature is not lower than the preset temperature, the temperature sensing piece drives the reversing piece to drive the valve element assembly to communicate the liquid inlet with the second liquid outlet, and the liquid inlet and the first liquid outlet are blocked. The flow direction of the fluid does not need to be controlled through a temperature sensor and an electric control program, and the control mode of the flow direction of the fluid can be simplified.
Owner:GUANGDONG TINGJIA HYDRAULIC TECH CO LTD

General-purpose vacuum circuit breaker test transfer device, control method, medium and product

The application provides a universal vacuum circuit breaker test switching device, a control method, a medium and a product. The device comprises: a portable test box, a switching power supply module for converting alternating current into direct current is arranged in the portable test box, and an automatic energy storage power supply and an unblocking power supply for a high-voltage circuit breaker to be tested are realized; at least one set of test terminals is arranged on a panel of the portable test box, and is used for connecting external test equipment; a switching device socket is used for realizing the connection between an aviation plug of the high-voltage circuit breaker to be tested and the portable test box; and a switching device plug is used for realizing the connection between an aviation socket in a high-voltage switch cabinet and the portable test box. The application has the advantages of safety and reliability, high efficiency and convenience, and can effectively improve the safety and accuracy of the test process, simplify the operation process and improve the work efficiency.
Owner:STATE GRID HUNAN ELECTRIC POWER COMPANY LIMITED +1

Mounting structure of light-emitting cable label

The utility model discloses an installation structure of a light-emitting cable label, and particularly relates to the technical field of cable label installation, in the installation structure, an assembly platform is driven to rotate by rotating a shifting plate, and in the rotation process of the assembly platform, a limiting rod of a bottom rotating seat fixes the assembly platform under the elastic force action of a telescopic spring; a user can adjust the position of a label according to needs, rapid installation and adjustment of the label sleeve are achieved, the installation time and the labor cost are saved, when the assembly platform rotates, the structural design of the arc-shaped plate enables the connecting rod and the expansion plate to be away from each other continuously, and the label sleeve is expanded; the limiting rod of the bottom rotating seat continuously enters the limiting hole to fix the assembling platform in the rotating process, the stability of the assembling platform is guaranteed, shaking and unstable factors in the mounting process are avoided, an operator only needs to simply control rotation of the assembling platform by rotating the shifting plate, complex tools or steps are not needed, operation is easy and convenient, and the assembling platform is convenient to use. And convenience is provided for cable management and maintenance.
Owner:NANJING HEDIAN NETWORK TECH CO LTD

Precise filtration and suction filtration device

The precision filtration and suction filtration device comprises a workbench, the top of the workbench is movably connected with a purification frame, the top of the purification frame is movably connected with a frame plug, the top of the frame plug is fixedly connected with a connecting opening, one side of the connecting opening is fixedly connected with a locking frame, and one side of the locking frame is movably connected with a clamping arc block; through the arrangement of the workbench, the purification frame, the frame plug, the connection opening, the locking frame, the clamping arc block, the inner spring, the hollow block, the butt joint opening, the leakage-proof rubber mat, the liquid injection frame and the hinge, the precise filtration and suction filtration device can be used more conveniently, and when the use of filter paper reaches the limit, the effect of rapidly replacing the filter paper can be provided; therefore, the time required for replacing the filter paper is shortened, the working complexity of workers is reduced, the working speed of subsequent work is increased, the working efficiency of the whole work is improved, and long-time use of the suction filtration device is facilitated.
Owner:NANTONG HERUIYUAN BIOTECHNOLOGY CO LTD

Spinning machine with flanging device

The spinning machine with the flanging device comprises a workbench, the top of the workbench is fixedly connected with a first vertical plate, and one side of the first vertical plate is fixedly connected with a first rotating motor. According to the device, through the arrangement of the workbench, the first vertical plate, the first rotating motor, the rotating column, a telescopic sleeve plate, a derivative plate, a small motor, a flanging die column, a spinning die column, a second vertical plate, a second rotating motor, a mounting disc, a telescopic side column, a suction cup, air exhaust equipment and an air exhaust pipe, the pressing machine can be used more conveniently, and a part subjected to pressing can be flanged; therefore, a worker does not need to apply pressure to the part and then perform flanging through other flanging equipment, the working content of the worker is reduced, the working complexity of the worker is reduced, the working speed of the whole work is increased, the working efficiency of the whole work is reduced, and long-term use of the spinning machine is facilitated.
Owner:ZHANGJIAGANG AIDISHENG FORMING EQUIP CO LTD

Pharmaceutical Nucleic Acid Synthesis Process

The present invention discloses a pharmaceutical nucleic acid synthesis process. In the synthesis process, the present invention temporarily protects unnecessary groups as much as possible. After a round of coupling reaction, the protecting groups on the previous round of groups are selectively removed to form a specific phosphodiester bond, thereby reducing side reactions as much as possible, improving the yield of the target product, and reducing the difficulty of purification. The present invention can achieve no transfer of the synthesis column during the aminolysis process by simply transforming the synthesis column, online aminolysis, elution of the oligonucleic acid product loaded on the surface of the solid phase support in the synthesis column, collection of the eluate containing the oligonucleic acid product and subsequent purification process. Since the synthesis column does not need to be offline during the whole process, the difficulty and complexity of the work are greatly reduced on the one hand, and the exhaust gas leakage during the disassembly and installation process is significantly reduced on the other hand.
Owner:ANHUI RUIBAI PHARM CO LTD

Pyrolytic adhesive bonding machine

This invention provides a pyrolytic adhesive bonding machine, comprising a base, a pyrolytic adhesive platform assembly, a glass platform assembly, and a wafer bonding mechanism. The pyrolytic adhesive platform assembly and the glass platform assembly are slidably mounted on the base, and the wafer bonding mechanism is rotatably mounted above the pyrolytic adhesive platform assembly and the glass platform assembly. One side of the flip-up adsorption plate of the wafer bonding mechanism is the adsorption surface. When the wafer bonding mechanism flips to the bonding position, the adsorption surface faces the pyrolytic adhesive platform assembly or the glass platform assembly; when the wafer bonding mechanism flips to the loading position, the adsorption surface faces upward. This pyrolytic adhesive bonding machine uses solid pyrolytic adhesive, enabling efficient bonding of wafers and glass substrates using the pyrolytic adhesive platform assembly, glass platform assembly, and wafer bonding mechanism. This reduces operational complexity, and subsequent separation of the wafers and glass substrates is easily achieved through heating, allowing for the recycling of the pyrolytic adhesive. Overall, the machine is highly efficient and cost-effective.
Owner:SHENZHEN KADAYANG AUTOMATION CO LTD

Switching power supply convenient to fix

The utility model belongs to the technical field of switching power supplies, and particularly relates to a switching power supply convenient to fix, which comprises a mounting frame, one side of the mounting frame is fixedly connected with a hollow column, the interior of the hollow column is fixedly connected with an inner spring, one end of the inner spring is fixedly connected with a movable column, and one end of the movable column is fixedly connected with a clamping block. And one side of the clamping block is movably connected with a side clamping plate. Through the arrangement of the mounting frame, the hollow column, the inner spring, the movable column, a clamping block, a side clamping plate, a mounting plate, a connecting plate and a mounting bolt, the switching power supply can be used more conveniently, the effect of convenient fixation can be achieved, the work complexity of overall work is reduced, the overall work speed is increased, the time of mounting and fixing work is shortened, and the working efficiency is improved. The working process of subsequent work is accelerated, and long-term use of the switching power supply is facilitated. According to the utility model, the problem of inconvenient fixation is solved, so that the effect of convenient installation and fixation is achieved.
Owner:BRIGHTPOWER OPTOELECTRONIC TECH CO LTD

Feeding structure of granulator

The utility model discloses a granulator feeding structure which comprises a workbench, the top of the workbench is fixedly connected with a drying box, the interior of the drying box is fixedly connected with a heating pipe, the interior of the drying box is fixedly connected with an object carrying plate, one side of the drying box is fixedly connected with a hinge, and the other side of the drying box is fixedly connected with a rotating shaft. A movable plate is fixedly connected to one side of the hinge, and a fixing bolt is movably connected to one side of the movable plate. By arranging the workbench, the drying box, the heating pipe, the carrying plate, a hinge, a movable plate and a fixing bolt, the feeding structure can be used more conveniently, objects needing to be granulated can be dried, subsequent object processing is facilitated, the success rate of subsequent granulation is increased, the granulation efficiency of the granulator is also improved, and the practicability is high. And the working content of workers is reduced, the working process of follow-up work is accelerated, and long-term use of the feeding structure is facilitated. The device solves the problem that materials cannot be dried at present.
Owner:JIANGSU FAST INTELLIGENT EQUIP CO LTD

Lithium battery cap covering machine with automatic feeding and discharging functions

The utility model discloses an automatic feeding and discharging lithium battery cap covering machine which comprises a working table, and the bottom of the working table is fixedly connected with a bottom motor. According to the device, the working table, the bottom motor, the rotating shaft, the connecting column, the discharging motor, the material carrying block, a rotating motor, a rotating frame, a side plate, a side motor, a rotating threaded column, a lifting sleeve plate, a top plate, an edge covering motor, a long column, a rotating edge covering block, a vertical frame, a top motor, a lifting top column, a pressing block and a limiting long column are arranged, so that the lithium battery cap edge covering machine is more convenient to use; according to the automatic feeding and discharging device, automatic feeding and discharging treatment can be carried out in the working process, manual feeding and discharging do not need to be carried out by workers, and therefore the working content of the workers is reduced, the working complexity of the workers is reduced, the working speed of the workers is increased, the production efficiency of overall production is improved, and the working cost of overall work is reduced; and long-term use of the covering machine is facilitated.
Owner:XINXIANG GUANGRUI ELECTRONICS CO LTD

Deburring device for valve rod machining

The utility model relates to the field of valve rod machining, and discloses a deburring device for valve rod machining, which comprises a bearing plate, the top of the bearing plate is fixedly connected with a vertical plate, one side of the vertical plate is fixedly connected with a motor, and an output shaft of the motor is fixedly connected with a rotary grinding column through a coupler. And one end of the rotary grinding column is fixedly connected with a connecting column. According to the deburring device for valve rod machining, through the arrangement of the bearing plate, the vertical plate, the motor, the rotary abrasion column, the connecting column, the water tank, an air spraying pipe, air spraying equipment and an air suction pipe, the deburring device can be used more conveniently and rapidly, scraps attached to the periphery of a valve rod with burrs taken out can be cleaned away, workers do not need to independently remove the scraps for the valve rod, and the working efficiency is improved. And the working content of workers is reduced, the working complexity of the workers is reduced, the working time of the workers is shortened, the overall machining efficiency of the valve rod is improved, and long-term use of the deburring device is facilitated.
Owner:YANCHENG YINZHU MASCH MFG CO LTD

Membrane component combination device for nanofiltration membrane processing

The invention relates to the field of nanofiltration membrane processing, and discloses a membrane component combination device for nanofiltration membrane processing, the membrane component combination device comprises a combination mechanism, the bottom of the combination mechanism is fixedly connected with a storage mechanism, and the bottom of the combination mechanism is fixedly connected with a support mechanism. The combined mechanism comprises a workbench, the top of the workbench is fixedly connected with a lifting sleeve plate, the top of the lifting sleeve plate is fixedly connected with an upper extending plate, and one side of the upper extending plate is fixedly connected with a side motor. According to the membrane component combination device for nanofiltration membrane processing, through the arrangement of the combination mechanism, the membrane component combination device is more convenient to use, a combination inlet of a membrane component can be polished, a worker does not need to polish the component through other polishing equipment, the working content of the worker is reduced, and the working efficiency is improved. And the working complexity of workers is also reduced, the working time of the workers is shortened, and the cost required in work is also reduced.
Owner:NANTONG SURUN WATER PURIFICATION TECH CO LTD

Glass cover mold opening clamp

The utility model relates to a mould opening clamp for a glass cover mould, which belongs to the technical field of moulds and comprises a support frame, a glass cover mould opening auxiliary device is arranged in the support frame, a collecting frame is mounted on the inner side of the support frame, and the glass cover mould opening auxiliary device comprises an adjusting clamping component and a mould opening component. Compared with the prior art, after the mold opening blade is overturned upwards, the opening position of the glass cover mold can be overturned to pry the glass cover mold open, the glass cover mold is opened through simple overturning, manual cover opening work is avoided, the mold opening blade can synchronously conduct cover opening work on a plurality of sets of glass cover molds at the same time, and the glass cover mold opening efficiency is improved. While the working complexity of the whole device is reduced, the practicability of the whole device is enhanced, and the problem of resource waste caused by manual uncovering is avoided.
Owner:CHANGSHU RATE MOULD CO LTD

Shell structure of power control device for peak regulation and frequency modulation of energy storage power station

ActiveCN222602782Uflexible adjustmentEasy to compare and analyzeData displayPower station
The utility model relates to the technical field of energy storage system devices, and discloses a shell structure of a power control device for peak regulation and frequency modulation of an energy storage power station, which comprises a main shell with an inner cavity and an opening. A first display panel and a second display panel which are used for displaying power control data are mounted at the opening of the main shell; the first display panel and the second display panel are arranged in parallel and have a first interval, the second display panel is located on the outer side of the first display panel, the first display panel is a non-transparent display panel, and the second display panel is a transparent display panel; according to the scheme, through the special arrangement of double-layer arrangement and double-layer parallel arrangement of the display screen, the data display area is expanded, and through the double-layer difference arrangement based on the transparent characteristic of the panel, more visual information display of data of the electric power system is achieved, and the efficiency of data acquisition and the intuition and accuracy of data comparison are improved; technical support is provided for flexible adjustment of data display, applicable application scenes are increased, and universality is high.
Owner:CHONGQING HECHUAN POWER GENERATION CO LTD

Yak meat product cutting device

The utility model relates to the field of yak meat product production, in particular to a yak meat product cutting device which comprises a cutting table, the bottom of the cutting table is fixedly connected with a lower edge plate, one side of the lower edge plate is fixedly connected with a telescopic sleeve plate, and the top of the telescopic sleeve plate is fixedly connected with a cutting frame. According to the yak meat product cutting device, through the arrangement of the cutting table, the lower edge plate, the telescopic sleeve plate, the cutting frame, a side motor, a connecting column, a rotary cutting piece, a side lower plate, a telescopic lower column and a millstone, the yak meat product cutting device can be used more conveniently, and cutting blades can be polished; and after the cutting blade is passivated, a worker does not need to manually polish or replace the cutting blade, so that the working content of the worker is reduced, the working complexity of the worker is reduced, the working process of subsequent work is accelerated, the working speed of overall work is increased, and rapid use of the cutting device is facilitated.
Owner:QINGHAI KEKEXI LI FOOD CO LTD

Jackhammer with replaceable sleeve

The utility model provides a jack wrench with replaceable sleeves, which comprises a base, a jack wrench body arranged on the base and a plurality of sleeves arranged corresponding to the jack wrench body, the plurality of sleeves form a surrounding structure around the same axis, and the sleeves rotate around the surrounding axis. The two ends of the sleeve are provided with a movable transmission connector and a movable driving connector respectively, and the movable transmission connector and the movable driving connector are connected with the pneumatic hammer body or the bolt in a sleeved mode. The multiple sleeves arranged in a surrounding mode are driven to rotate through the mounting frame, the sleeves are connected with the pneumatic hammer body or the bolts in a sleeving mode, the sleeves can be replaced for use, the work of automatically replacing the sleeves can also be achieved for a large pneumatic hammer, manual carrying and assembling are not needed, the work complexity is reduced, and the efficiency is improved; meanwhile, the size of a corresponding bolt is changed by replacing the whole sleeve, an internal deformable structure does not exist, the overall structural strength is greatly improved, and the bolt cannot be damaged when a high-torsion pneumatic hammer is used for construction.
Owner:YICHANG MAOMING TOOLS MFG CO LTD

Bending device for alloy metal pipe

The invention relates to the field of alloy metal pipes, and discloses an alloy metal pipe bending device which comprises a bending mechanism, the top of the bending mechanism is fixedly connected with a clamping mechanism, the bottom of the bending mechanism is fixedly connected with a moving mechanism, and the bottom of the bending mechanism is fixedly connected with a stable supporting mechanism. The bending mechanism comprises a workbench, the top of the workbench is fixedly connected with a short vertical plate, one side of the short vertical plate is fixedly connected with a lower connecting column, and one end of the lower connecting column is fixedly connected with a fixed bending disc. According to the bending device for the alloy metal pipe, by arranging the bending mechanism, the bending device can be used more conveniently and quickly, and metal can be bent after being heated, so that the bending difficulty of the alloy metal pipe is reduced, the probability of failure of the alloy metal pipe during bending is reduced, the number of produced defective products is also reduced, and the production efficiency is improved. And therefore, the cost required in work is reduced, and long-term use of the bending device is facilitated.
Owner:XIHAI ELECTRONICS (NANTONG) CO LTD

Copper piston type pressure reducing valve

The utility model relates to the field of pressure reducing valves, and discloses a copper piston type pressure reducing valve which comprises a pressure regulating pipe, an outer rubber film is movably connected to the interior of the pressure regulating pipe, a movable solid column is fixedly connected to the interior of the outer rubber film, a bearing is fixedly connected to the top of the movable solid column, one end of the bearing is fixedly connected with a rotating stud, and the other end of the bearing is fixedly connected with the rotating stud. And the outer wall of the rotating stud is movably connected with an extension pipe. According to the copper piston type pressure reducing valve, through the arrangement of the pressure adjusting pipe, the outer rubber film, the movable solid column, the bearing, the rotating stud, the extension pipe, the external connection block and the rotating handle, the copper piston type pressure reducing valve can be used more efficiently, and the internal pressure in the using process of the copper piston type pressure reducing valve can be adjusted; in addition, the working environment which the copper piston type pressure reducing valve can adapt to is increased, the requirements for various types of piston type pressure reducing valves in various environments are reduced, the working complexity of workers in the installation work is reduced, and long-term use of the copper piston type pressure reducing valve is facilitated.
Owner:JIANGSU EPICO FLUID EQUIP CO LTD

Cantilever formwork adjustable support for high-altitude construction operation

The utility model relates to the field of buildings, and discloses a cantilever formwork adjustable support for high-altitude construction operation, which comprises a transverse adjusting seat, a movable block is movably connected in the transverse adjusting seat, a clamping bolt is fixedly connected to one side of the movable block, a fixed block is fixedly connected to the top of the movable block, and the clamping bolt is fixedly connected to the other side of the movable block. And one side of the fixed block is fixedly connected with a movable bolt. According to the cantilever formwork adjustable support for the high-altitude construction operation, through the arrangement of the transverse adjusting base, the movable block, the clamping bolt, the fixed block, the movable bolt, the fixed frame, the side sliding block, the height bolt, the movable frame and the limiting long strip, the cantilever formwork adjustable support can be used more conveniently, and the support can be adjusted up, down, front and back; in addition, the requirements for various supports with different functions in the working process are reduced, the working cost is reduced, the environment which the support can adapt to is improved, the working complexity in the working process is reduced, the working time is shortened, and long-term use of the support is facilitated.
Owner:CANGZHOU SHENGSHIWEIYE MECHANICAL EQUIP MFG CO LTD

Purification device for heat supply and ventilation of air conditioner

The utility model discloses an air conditioner heat supply ventilation purification device which comprises an installation channel, an inner lock plate is fixedly connected in the installation channel, one side of the inner lock plate is movably connected with an inner bolt, the outer wall of the inner bolt is movably connected with an air purification component, and the air purification component is fixedly connected with the installation channel. One side of the air purification component is movably connected with a connecting bolt, and the outer wall of the connecting bolt is movably connected with a U-shaped plate. According to the device, through the arrangement of the mounting channel, the inner bolt, the inner locking plate, the air purification component, the connecting bolt, the U-shaped plate, the sliding strip, the filter screen plate and the mounting pull handle, the air conditioner heating, ventilating and purifying device can be used more conveniently and rapidly, and the whole purifying device can be cleaned rapidly and conveniently; and the purification device does not need to be cleaned in the pipeline, so that the working complexity of workers is reduced, the overall cleaning difficulty of the device is reduced, the utilization rate of the device is increased, and long-term use of the purification device is facilitated.
Owner:SHANDONG TIANYUAN INSTALLATION GRP CO LTD

A co-mixing plastics article processing apparatus

The utility model discloses a kind of co-mixed plastic product processing devices, belong to co-mixed plastic product processing field, and it includes working frame, the bottom of the working frame is fixedly connected with lower motor, the output shaft of the lower motor is fixedly connected with backing pad by shaft coupling;Through the working frame, lower motor, backing pad, top motor, electric push rod, pressing plate, electric telescopic column, support frame, inner motor, rotating threaded column, movable plate, edge grinding motor, rotating polishing column and limiting long column being set, most of co-mixed plastic product processing devices on market can be used with stronger compatibility, facilitate device to process and handle column barrel type material of different diameters, reduce the dependence on different model devices when processing different diameter column barrel type material, reduce the cost required in work, also reduce the work complexity of staff, while improve the work efficiency of staff.
Owner:TIANMEN CHENGXIN PLASTIC CO LTD

Rolling shaft grooving device for rubber roller machining

The invention relates to the field of rubber roller processing, and discloses a rolling shaft slotting device for rubber roller processing, which comprises a slotting mechanism, the bottom of the slotting mechanism is fixedly connected with a storage mechanism, the bottom of the slotting mechanism is fixedly connected with a lifting mechanism, the slotting mechanism comprises a workbench, the top of the workbench is fixedly connected with a vertical plate, and the vertical plate is fixedly connected with the bottom of the workbench; the top of the vertical plate is fixedly connected with a top plate, and the top of the top plate is fixedly connected with a first top motor. According to the rolling shaft grooving device for rubber roller machining, the grooving mechanism is arranged, so that the rolling shaft grooving device is more convenient to use, chippings attached to a groove after a rolling shaft is grooved can be conveniently removed, workers do not need to manually assist in removing the chippings in the groove, the working content of the workers is reduced, and the working efficiency is improved. And the working complexity of workers is reduced, the overall machining speed of the rolling shaft is increased, and long-term use of the grooving device is facilitated.
Owner:NANTONG ZHIEN PRECISION MASCH TECH CO LTD

Data bridging method and device, electronic equipment and storage medium

The invention relates to a data bridging method and device, electronic equipment and a storage medium, and is applied to the technical field of data processing.The method comprises the steps that according to the type of a message sent by a client, a structured query language rule corresponding to the message is obtained; matching the attribute information of the message with the attribute information in the structured query language rule; if the matching is successful, judging whether the structured query language rule comprises a WHERE clause or not; if not, screening the message based on a SELECT field in the structured query language rule to obtain target information; if yes, screening the message based on the WHERE clauses to obtain a WHERE clause screening message; based on a SELECT field in the structured query language rule, screening the WHERE clause screening message to obtain target information; and bridging the target information to a data source corresponding to the structured query language rule. The flexibility and maintainability of the system can be improved.
Owner:WESTERN CHINA SCI CITY INNOVATION CENT OF INTELLIGENT & CONNECTED VEHICLES (CHONGQING) CO LTD

Movable LED display screen for advertising

The movable LED display screen comprises a bottom frame, a lifting inner column is fixedly connected to the interior of the bottom frame, a movable plate is fixedly connected to the bottom end of the lifting inner column, and movable wheels are fixedly connected to the bottom of the movable plate. According to the device, through the arrangement of the bottom frame, the lifting inner columns, the movable plates, the movable wheels, hinges, side connecting plates, fixing bolts, clamping blocks, clamping frames, inner springs and clamping arc blocks, the LED display screen for advertising can be used more conveniently and rapidly, and the LED display screen can be moved rapidly; according to the LED display screen carrying device, workers do not need to carry the LED display screen in a manual carrying mode, so that the working content of the workers is reduced, the working complexity of the workers is reduced, the physical exhaustion of the workers is reduced, the working speed of follow-up work is increased, and the LED display screen can be conveniently switched among different working places.
Owner:NANJING FEIHU CULTURE ADVERTISING MEDIA CO LTD