Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

44results about How to "Avoid structural damage" patented technology

PCTSP wallboard assembly type self-locking connection joint

ActiveCN224281623Uquick installationRealize three-dimensional force self-lockingWallsEarthquake resistanceArchitectural engineering
The utility model discloses a PCTSP wallboard assembly type self-locking connection node, and relates to the technical field of building industrialization, in particular to an assembly type self-locking connection node for a prefabricated concrete sandwich wallboard, which is technically characterized by comprising a first wallboard, a second wallboard and an I-shaped positioning piece, a first T-shaped groove is formed in one side of the first wall plate, a first locking groove is formed in the inner side wall of the first T-shaped groove, a second T-shaped groove is formed in one end of the second wall plate, a second locking groove is formed in the inner side wall of the second T-shaped groove, and two locking blocks are slidably mounted on each of the two sides of the I-shaped positioning part. By arranging the locking blocks, the first wall plate and the second wall plate can be positioned and self-locked, so that the connecting structure is suitable for rapid installation and structural connection between the wall plates in a modular building, three-dimensional stress self-locking and tool-free rapid installation are achieved, the connecting operation is convenient and fast, and the fabricated wall plates are accurate in construction positioning and good in anti-seismic property.
Owner:ANHUI UNIVERSITY OF ARCHITECTURE

Engine shock absorbing connecting bracket

ActiveCN224375324UReduce noiseEasy to install
The utility model discloses an engine shock -proof connecting support, it relates to vehicle power equipment installation damping field, and the bottom both ends of power source are provided with front connecting piece and rear connecting piece respectively, and are fixedly connected through the power source connecting piece of positioning screw and shock -proof connecting support main part front and rear both ends, the rear of power source connecting piece is provided with buffer sleeve, and the left and right sides in buffer sleeve are equipped with buffer cover, and two reinforcing cross bars are arranged on the carrier support, two reinforcing cross bars all are equipped with two locating rods, and locating rod is provided with locating hole no.
Owner:马为民

Latex pillow drying device

The utility model belongs to the technical field of latex pillow drying, and discloses a latex pillow drying device which comprises a conveying mechanism, an extrusion mechanism and a turnover mechanism. The conveying mechanism comprises two groups of wide conveying rollers and a group of narrow conveying rollers, and a drying chamber is arranged on each group of wide conveying rollers; the extrusion mechanism comprises a supporting plate, the lower surface of the supporting plate is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a lead screw, the lead screw is in threaded connection with a threaded block, the lower surface of the supporting plate is fixedly connected with a fixing block, and telescopic connecting rods are installed on the fixing block and the threaded block. Through cooperation of a narrow conveying roller, a second motor, a rotating rod, an overturning frame and an open groove, overturning can be conducted after single-face drying, secondary drying is conducted with the other face facing upwards, the moisture content of the front face, the back face, the surface layer and the deep layer of a pillow is uniform, drying uniformity is improved, unbalanced stress can be counteracted, the original shape regularity of the dried pillow is improved, and the pillow drying efficiency is improved. And the structural damage caused by the shrinkage difference is avoided.
Owner:WENZHOU CHUANGKANG HOUSEHOLD PROD CO LTD

A dialysis concentrate preparation device

ActiveCN224540680Uavoid structural damageExtended service lifeControl engineeringApparatus instruments
The utility model belongs to the technical field of medical apparatus and instruments, disclose a kind of dialysis concentrate preparation device, it includes body, cover, pipeline interface module and loop interface module, cover top is hinged on the body upper end;Pipeline interface module is located above loop interface module, and pipeline interface module and loop interface module are all movably connected on the body, and pipeline interface module is hinged with cover by connecting rod;It further includes the hook assembly of the suspension storage container being arranged below loop interface module;It further includes the limiting piece being arranged at the top of pipeline interface module, and the fixing piece being arranged on the body upper end;During the process of cover upward overturning, limiting piece is displaced and touches fixing piece upward, to limit cover to continue to overturn and collide with body.The utility model is easy to operate, solve the problem that the parts between the existing device are easy to collide and move friction resistance, etc., prolong the service life of device, greatly improve the stability and reliability of device.
Owner:SWS HEMODIALYSIS CARE CO LTD

Unmanned aerial vehicle pose joint debugging system and debugging method

ActiveCN121425523Bwill not interfereAccurately identify flight debugging defectsUncrewed vehicleFlight velocity
The unmanned aerial vehicle pose joint debugging system and debugging method relate to the unmanned aerial vehicle testing technical field. In order to solve the problem of how to realize multiple flight attitudes of the unmanned aerial vehicle without causing the unmanned aerial vehicle to explode. The present application comprises an unmanned aerial vehicle loading platform, a suspension platform, a pose detection mechanism and a control mechanism, the unmanned aerial vehicle is installed on the unmanned aerial vehicle loading platform and can move; the unmanned aerial vehicle loading platform is on the upper surface of the suspension platform and can be suspended above the suspension platform; the pose detection mechanism is used for acquiring position attitude data, flight path and flight speed of the unmanned aerial vehicle; the control mechanism can acquire the data acquired by the pose detection mechanism, and can control the suspension platform to always hold the unmanned aerial vehicle loading platform floating with the flight of the unmanned aerial vehicle.
Owner:HARBIN INST OF TECH

Non-deformable corrosion-resistant drag chain

ActiveCN224380506Ueasy injectionIncrease productivityHauling chainsHoisting chains
This utility model discloses a non-deformable and corrosion-resistant cable chain, including an assembly plate. The assembly plate is formed by stamping and has a hinge body. The hinge body includes a hinge piece, and a concave piece is provided on one side of the upper surface of the hinge piece. A side strip is fixedly connected to the left side of the upper surface of the concave piece. This non-deformable and corrosion-resistant cable chain completes the complex structure processing in a single stamping process, significantly improving production efficiency. The precise cooperation between the side strip and the rotating shaft limits the rotation stroke, avoiding structural damage caused by excessive rotation. The arc-shaped through-hole design facilitates lubricant injection, reduces friction, extends service life, reduces assembly steps, lowers production costs, and improves product reliability.
Owner:CANGZHOU DONGFANG DRAG CHAIN MANUFACTURING CO LTD

Modular high-voltage incoming line cabinet adapted to the up-in up-out wiring

PendingCN122292061Areduce bendingReasonable vertical stateControl theoryMechanical engineering
This invention provides a modular high-voltage incoming line cabinet adapted for top-in, top-out wiring, including a cabinet body. The top surface of the cabinet body has an inlet and an outlet on its front and rear sides, respectively. Both the inlet and outlet are equipped with wiring components, each including a wiring board, a fixing plate, a sliding rod, and a bidirectional threaded rod. This invention offers flexible wiring adjustment and strong adaptability. The inlet uses a sliding wiring board design, which, combined with the driving structure in the limiting component, allows for flexible adjustment of the wiring board's lateral position according to the actual connection position of the electrical components. This ensures that the cable connection to the electrical components remains reasonably perpendicular, effectively reducing cable bending and minimizing signal interference and insulation wear risks. The outlet wiring board is fixedly installed, complementing the inlet. Combined with correspondingly distributed oblong grooves and round holes on the partition, this ensures precise correspondence between the inlet and outlet paths, meeting the needs of different wiring scenarios.
Owner:XINJIANG ZHONGDIAN POWER ENG CO LTD

Preparation method of astaxanthin cordyceps sinensis fine powder

ActiveCN121153853BSettle the lossPermeation barrierBiotechnologyVegetable oil
The application provides a preparation method of astaxanthin cordyceps militaris fine tablets, comprising the following steps: subjecting cordyceps militaris fruiting bodies to supercritical CO2 extraction treatment to separate a cordyceps militaris terpene component; mixing Haematococcus pluvialis powder and edible vegetable oil, adding the cordyceps militaris terpene component and rosemary extract, and cooling and forming to obtain an astaxanthin-cordyceps militaris terpene blend; crushing the residue after extraction, adding purified water and a composite enzyme preparation to perform enzymolysis to obtain an enzymolysis liquid; adding a chitosan quaternary ammonium salt solution, centrifuging after flocculation, vacuum drying, and crushing to obtain cordyceps militaris active powder; mixing and granulating raw materials to obtain granulation particles; uniformly mixing the granulation particles with xylitol and microcrystalline cellulose, and pressing into tablets; and placing the tablets in a coating machine for coating. The application realizes efficient retention of active ingredients, improvement of safety and stability of product quality through the cooperation of multiple technologies such as supercritical CO2 extraction, enzymolysis flocculation, low-temperature fluidized bed granulation and hot melt coating.
Owner:YUNNAN AIERKANG BIOTECH

Multi-stage tower fan with limit memory rotating mechanism

ActiveCN224396767URealize independent wind direction memoryavoid breakingPump componentsPumpsPersonalizationTower
The utility model discloses a kind of multi-section tower fan with limiting memory rotating mechanism, including base, multiple sequentially connected shell units, fan assembly and limiting memory rotating mechanism.Each shell unit is rotatably connected with adjacent structure by rotating assembly, and is equipped with limiting structure and angle memory structure.The limiting structure is matched by stop block and limiting groove, and the rotation angle of shell is limited;Memory structure uses magnetic positioning member, and current rotation angle is automatically locked when stopping using, maintains original direction when restarting, without re-adjusting.The structure can realize multi-section air supply angle independent setting and automatic memory, improve tower fan use convenience and personalized experience, and be applicable to multi-direction air supply scene.
Owner:ZHONGSHAN ZHONGDA ELECTRIC APPLIANCE MFG CO LTD

Offshore wind farm ups power remote start-stop control device

This utility model relates to the field of remote power supply start / stop control technology, specifically to a remote start / stop control device for a UPS power supply in an offshore wind farm. It includes a support leg, a mounting frame on the top of the support leg, a mounting shell on the mounting frame, a rotating rod extending through the mounting shell and also through the mounting frame, a deflection frame on the rotating rod, and a control console on the deflection frame. The control console is used for remotely controlling the UPS power supply to turn on and off. A buffer component is provided on one side of the deflection frame to reduce the direct impact of wind on the control console. Compared to existing technologies, this application improves the shock resistance and operational reliability of the UPS control device in complex offshore environments.
Owner:CHINA HYDROPOWER CONSTR GRP RUDONG NEW ENERGY CO

A leveling device and a leveling machine

This utility model discloses a leveling device and a grader, belonging to the field of grader technology. It includes a front frame, with hydraulic cylinder fixing brackets extending to both sides connected to the middle section of the front frame. Each end of the hydraulic cylinder fixing bracket is connected to a lifting cylinder, the ends of which are hinged to the ends of a traction frame. The front end of the traction frame is hinged to the front end of the front frame. A grader blade is connected to the traction frame via a rotary mechanism. Based on the hydraulic cylinder fixing brackets extending to both sides connected to the middle section of the front frame, combined with the lifting cylinders at both ends, the lifting height of the traction frame can be precisely controlled, achieving millimeter-level precision in ground leveling. The traction frame, through a specific connection method, is connected to the grader blade via a rotary mechanism, allowing for flexible adaptation to complex terrain. Compared to traditional complex motion structures, this design lowers the operational threshold for customers and effectively avoids structural damage caused by improper operation.
Owner:SHANTUI CONSTR MASCH CO LTD

Aerial lift skid assembly

ActiveCN224396024Uprevent axial rotationprevent slidingScaffold accessoriesAerial liftVehicle frame
The utility model relates to the technical field of anti -skidding of climbing car, and disclose climbing car anti -skidding subassembly, including climbing car frame, the bottom four corners of climbing car frame all are fixedly installed with universal wheel, the bottom both sides of climbing car frame all are equipped with anti -skidding mechanism symmetry, the anti -skidding mechanism includes two concave plates, two the inside of concave plate all are equipped with two slide rails, two the inside of slide rail all slide installation has the clamping plate, through setting up the cooperation of anti -skidding mechanism and drive mechanism, when positive and negative rotation motor drive adjusting lead screw rotates, the screw hole disc drives drive plate to push concave plate and move along the guide rail to the universal wheel, the gyro wheel on clamping plate rolls along the taper block inclined plane, and the thrust of taper block inclined plane forces clamping plate to overcome the tensile spring elasticity and clamps the universal wheel, both limit its rolling, and prevent axial rotation, avoid climbing car operation to slip and shake, improve stability and security.
Owner:NANJING ZHONGJI SUPPLY CHAIN MANAGEMENT CO LTD

A new type of stator and rotor mold

ActiveCN224359258U
The utility model relates to the technical field of stator and rotor processing, concretely to a novel stator and rotor mould, including two moulds, the inside of mould is provided with a plurality of evenly distributed templates, the inside of mould is provided with the work piece for disassembling and replacing template, the inside of mould is provided with the buffer piece for preventing two moulds from being damaged directly by impact force, the inside edge of mould is provided with guide piece no.
Owner:SUQIAN RUIHONG ELECTROMECHANICAL EQUIP CO LTD

Multi-layer rail type delivery and storage stereoscopic warehouse for concrete test block pre-curing

PendingCN122078795Aeasy to manageAdapt to automated production needsStorage devicesTrackwayMarking out
The invention discloses a multi-layer rail type delivery and storage stereoscopic warehouse for pre-curing of concrete test blocks, relates to the technical field of stereoscopic warehouses, and aims to solve the problem that subsequent inspection results are inaccurate due to the fact that test block stacking and attribute marking are difficult to correspond. A stereoscopic warehouse multi-layer storage structure is adopted for pre-curing work of concrete test blocks, continuous input and output work can be carried out through a lifting platform, the test blocks to be pre-cured are placed in preset positions of a stereoscopic storage space, and pre-curing work of different time can be carried out according to curing requirements of the test blocks of different specifications; the whole process can solve the problems of substandard environment, disordered storage, difficulty in attribute tracing and low automation degree in the traditional concrete test block pre-curing process, is convenient to manage, and meets the automatic production requirement of modern pre-mixing.
Owner:CHINA CONSTRUCTION ENVIRONMENTAL PROTECTION BUILDING MATERIALS TECHNOLOGY (GUANGZHOU) CO LTD +3

A precision parts sorting and packaging equipment

ActiveCN224423572Umaintain accuracymaintain performanceMechanical engineeringPhysics
This utility model discloses a precision parts sorting and packaging device, specifically relating to the field of parts sorting technology. It includes a support assembly, a movable assembly installed within the inner cavity of the support assembly, a limiting assembly installed near the center of the support assembly, a sorting assembly installed near the center of the limiting assembly, and a discharge assembly installed near the center of the support assembly. This precision parts sorting and packaging device, through its designed sorting and discharge assemblies, achieves rapid sorting, adapting to the needs of batch sorting of precision parts. It increases the number of sorting operations per unit time, ensuring overall process efficiency. Furthermore, the cylinder thrust can be precisely controlled by adjusting the air source pressure, allowing for the setting of appropriate thrust based on the part material and structural strength transmitted by sensors. This avoids deformation, breakage, or surface damage to parts due to excessive thrust, reducing the impact of impact vibration on precision parts.
Owner:YANTAI CHUNJUN IND TECH CO LTD

Battery cell and battery pack

The application relates to the technical field of batteries and discloses a battery cell and a battery pack. The battery cell comprises a shell, an open end of the shell, a pole group arranged in the shell, the pole group comprising a positive pole sheet, a diaphragm and a negative pole sheet arranged in layers, the diaphragm extending out of the upper side walls of the positive pole sheet and the negative pole sheet, a battery cell cover plate assembly comprising a cover plate and a lower plastic, the cover plate being arranged on the open end, the lower plastic being arranged on the lower surface of the cover plate and in the shell, the lower surface of the lower plastic being provided with a separation part and a pair of limiting parts, the pair of limiting parts being respectively arranged at opposite ends of the lower surface of the lower plastic, the separation part being arranged between the pair of limiting parts, the end area of the separation part away from the cover plate being smaller than the end area of the limiting part away from the cover plate, the length of the separation part being smaller than the length of the limiting part, and the separation part and the limiting part both abutting against the part of the diaphragm extending out of the positive pole sheet and the negative pole sheet. The compression amount of the separation part on the diaphragm is reduced, and the possibility of damage of the separation part to the pole group is reduced.
Owner:SVOLT ENERGY TECHNOLOGY CO LTD

Two-dimensional semiconductor stack device structure and method of fabricating the same

ActiveCN121335422Bavoid structural damageReduce the probability of electric leakageDevice materialBonding process
The application provides a two-dimensional semiconductor stacked device structure and a preparation method thereof, and realizes three-dimensional vertical stacking of a two-dimensional semiconductor device through a first interlayer dielectric layer and a second interlayer dielectric layer bonding process, effectively solves the problems of organic residue introduction, material folding and fracture and other problems commonly seen in the traditional two-dimensional semiconductor film transfer process, thereby significantly enhancing the integrity and long-term working stability of the stacked structure. At the same time, a high-efficiency interlayer isolation barrier is constructed by using the dielectric layer of the bonding interface, high-efficiency electrical isolation between the two two-dimensional semiconductor layers is realized, the threshold voltage crosstalk problem in the existing stacked structure is solved, independent and accurate adjustment of the threshold voltage of the upper and lower layer transistors is realized, and greater flexibility is provided for device performance optimization.
Owner:YUANJIWEI (SHANGHAI) ELECTRONICS CO LTD

Flow metering device for pipe gallery

This utility model discloses a flow metering device for pipe corridors, relating to the field of pipe corridor flow metering technology. It includes a fixed plate connected to the inner wall of the corridor, a fixed ring mounted on the fixed plate, and a Doppler flow meter positioned on the fixed ring. A transmission line is located at the rear end of the Doppler flow meter and connected to a processor. A quick-release mechanism is provided between the fixed ring and the fixed plate. The quick-release mechanism includes a fixed sleeve fixedly connected to the surface of the fixed ring. By pressing a button, the button drives the guide sleeve to move, which in turn drives the guide block to move through a guide groove. The guide block drives the sliding column to rotate, and the sliding column adjusts the locking block to unlock or lock, facilitating quick installation of the fixed ring. The button is embedded in the fixed sleeve, effectively reducing direct water erosion. The use of the locking block and fixed seat for easy fixing avoids structural damage caused by water erosion and extends service life.
Owner:SHENZHEN NEW LAND TOOL PLAN & ARCHITECTURAL DESIGN CO LTD

An airbag igniter assembly

ActiveCN121374986BImprove detection efficiencyMeet production requirements
The application discloses a safety airbag igniter assembly machine, which comprises a feeding mechanism, a carrying mechanism, a forming mechanism, a detection mechanism and a discharging mechanism. The first feeding part is used for conveying the first product from the feeding station to a placement table of a placement rack at the assembly station. The second feeding part is used for conveying the second product from the feeding station to the corresponding first product at the assembly station to assemble a combined product. The carrying mechanism is used for carrying the placement rack full of the combined product to the forming mechanism. The forming mechanism is used for implementing injection molding on the combined product and a water gap rack. The detection carrying assembly is used for carrying the product after stripping the water gap rack from the stripping station to the detection station. The FET detection part is used for implementing resistance measurement and thermal transient voltage detection on the product carried by the detection carrying assembly. Compared with manual detection, the safety airbag igniter assembly machine greatly improves the detection efficiency and meets the fast-paced production requirements.
Owner:WUXI NOVO AUTOMATION TECH CORP LTD

In-situ fidelity sampling device and method for shallow sea floor sediments

PendingCN122306468Ablock entryavoid cloggingShallow seaElectric machinery
This invention relates to the field of deep-sea sampling technology, specifically to an in-situ, high-fidelity sampling device and method for shallow seabed sediments. The device includes a sampling cylinder with a sampling chamber at its lower end. A ball groove is formed through the lower end of the sampling chamber, and a ball valve is located inside the ball groove. A rotating shaft is fixedly connected to both ends of the ball valve, and a bevel gear is fixedly connected to one end of the rotating shaft. A motor is located on the inner edge of the sampling cylinder, and a bevel gear meshing with the bevel gear is fixedly connected to the output shaft of the motor. A pressure-reducing assembly is located at the upper end of the sampling cylinder. The pressure-reducing assembly includes a pressure-reducing cavity located at the upper end of the sampling cylinder, with multiple bladder walls inside the pressure-reducing cavity. A ball groove is formed at the lower end of the pressure-reducing cavity, and a ball valve is located within the ball groove. This invention stabilizes the in-situ pressure in the sampling chamber, preventing structural damage to the sample due to sudden pressure changes, and achieving in-situ high-fidelity sediment sampling.
Owner:THE EIGHTH GEOLOGICAL BRIGADE OF SHANDONG PROVINCIAL BUREAU OF GEOLOGICAL & MINERAL EXPLORATION & DEV (SHANDONG PROVINCIAL EIGHTH GEOLOGICAL & MINERAL EXPLORATION INST)

A high-strength compressor guide rod

This utility model relates to the field of compressor parts, specifically to a high-strength compressor guide rod, comprising a rod body with an H-shaped cross-section, and a first ball joint and a second ball joint connected to its two ends, respectively; the height of the rod body gradually increases towards the first ball joint and gradually decreases towards the second ball joint. Compared with existing technologies, this solution uses an H-shaped cross-section, which, compared with the traditional circular cross-section, consists of two flanges and a web, offering significant advantages in resisting bending deformation and shear force, enabling more efficient load transfer, and improving the overall strength and stiffness of the link.
Owner:WUXI JIQUAN HARDWARE MASCH CO LTD

Magnetic closing structure of bluetooth earphone charging bin

ActiveCN224481788Ueasy to operateGuaranteed closure stabilityStructural engineeringHeadphones
This utility model relates to a magnetic closure structure for Bluetooth earphone charging cases, comprising a lower cover and an upper cover. The upper cover is hinged to the upper surface of the lower cover. A second fixing groove is formed at the outer edge of the lower surface of the upper cover, and an iron strip is installed inside the second fixing groove. A first fixing groove is formed at the outer edge of the upper surface of the lower cover, and a magnet is installed inside the first fixing groove. Limiting grooves are formed on both the left and right sides of the lower surface of the upper cover, and inclined limiting strips are formed on both the left and right sides of the upper surface of the lower cover. This utility model, by embedding an iron strip at the lower edge of the upper cover and a magnet at the upper edge of the lower cover, allows the charging case to be magnetically fixed after closure, facilitating the use of the Bluetooth earphone charging case. The cooperative structure of the inclined limiting strips and limiting grooves forms a physical guide when closing. The inclined angle design ensures that the upper cover closes smoothly along a predetermined trajectory, effectively preventing structural damage caused by closure deviation.
Owner:SHENZHEN GENAISKY SCI & TECH CO LTD

A frozen soil on-site rapid detection device

The utility model discloses a frozen soil on -the -spot rapid detection device, especially relates to frozen soil detection technical field, including sampling mechanism, sampling mechanism top fixedly connected with drive arrangement no.
Owner:CHINA COMMUNICATIONS CONSTRUCTION

A moisturizing protein-based contact lens and a method of making the same

This invention belongs to the field of contact lens technology, and provides a moisturizing protein-based contact lens and its preparation method. The preparation method includes the following steps: mixing a silk fibroin solution and a hyaluronic acid-binding protein solution to obtain a protein mixture solution; mixing a hydrophilic modification component, an oxygen-permeable modification component, and water to obtain a composite modifier; mixing the protein mixture solution, the composite modifier, and a crosslinking agent to obtain a pre-crosslinked mixture; molding the pre-crosslinked mixture and performing gradient crosslinking, followed by sequential soaking in buffer solution, rinsing, and sterilization to obtain the moisturizing protein-based contact lens. The contact lens of this invention uses protein as the main component, does not rely on silicon-based substances or harmful crosslinking agents, and possesses high biocompatibility, high oxygen permeability, suitable mechanical properties, and controllable degradation.
Owner:GANSU KANGSHILI CONTACT LENS CO LTD

A piezoresistive low variable mobile guardrail

ActiveCN224412410Usuppress lateral displacementavoid structural damageStructural engineeringRoad surface
The application belongs to the technical field of road guardrails, and particularly relates to a piezoresistive low-variable movable guardrail. The piezoresistive low-variable movable guardrail comprises a piezoresistive base, a counterweight connected with the piezoresistive base and used for applying weight pressure to the piezoresistive base, and the counterweight is provided with a mounting hole through which an old guardrail stand column passes to connect the piezoresistive base. The piezoresistive low-variable movable guardrail of the application keeps the piezoresistive base adsorbed on the road surface through the continuous gravity pressure applied by the counterweight, effectively inhibits the lateral displacement of the guardrail when colliding, and directly uses the existing stand column of the waste old two-wave beam guardrail for positioning and installation through the mounting hole, so that the structural damage of the traditional steel nail anchoring to the asphalt pavement is avoided, the maintenance cost is reduced, the recycling of waste materials is realized, and the resource waste is greatly reduced.
Owner:SHENZHEN SUREWAY TRAFFIC INDAL