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61 results about "Device Wheel" patented technology

A numerical control machining center device for a wheel hub

The present invention discloses a numerical control machining center device for a wheel hub, which relates to the technical field of numerical control machining. It includes a driving component, and the driving component includes an arc-shaped extrusion part. A positioning component for adjusting the position of the wheel hub is arranged inside the driving component. For this numerical control machining center device for a wheel hub, after the wheel hub is positioned, the driving part in the arc-shaped extrusion part is started to extrude the two arc-shaped blocks until the inner walls of the two arc-shaped blocks are in close contact with the outer surface of the wheel hub. Then, the six electromagnets corresponding to the wheel hub are electrically connected to an external power source, driving a plurality of iron sheets to move towards the outer surfaces of the corresponding electromagnets respectively, and then driving the three chucks to move towards the outer surface of the wheel hub respectively, further strengthening the fixing effect on the wheel hub. After the wheel hub is fixed, it can be driven to move forward a certain distance to move the next positioning ring to the outer surface of the positioning plate for fixing the next wheel hub.
Owner:JIANGSU CHENGTAI VEHICLE CO LTD

A wheel hub automated production line

The present invention discloses an automated wheel hub production line, comprising a rim grinding and slag removal transmission production line, a rim flaring device, a rim weld inspection device, a rim forming device, a rim and spoke welding production line, a hub shaping device, a hub air tightness testing device, a hub air hole drilling device, and a hub and spoke shaping production line; it also comprises a Class I robotic arm mechanism, several Class II robotic arm mechanisms, and several Class III robotic arm mechanisms. The method for producing and processing a wheel hub on the automated wheel hub production line comprises the following steps: grinding and removing weld slag from the weld seam on the rim, flaring and forming the rim on the flaring device, weld inspection, rim forming, reshaping the wheel hub, air tightness inspection, opening a nozzle hole in the wheel hub, and milling and shaping the spokes on the wheel hub to obtain a finished wheel hub. The above structure enables the automated production of wheels with complex processes, greatly improving production efficiency while also improving the efficiency and benefits of product production.
Owner:ANHUI SAIYU NEW ENERGY TECHNOLOGY CO LTD

Carrying equipment for intelligent stereo garage

The invention belongs to the field of stereo garages, and provides an intelligent stereo garage carrying device which comprises a walking frame, a sliding seat is slidably mounted on the walking frame, and a rail assembly is mounted on the sliding seat; the rail assembly comprises two lower sliding rails, the two lower sliding rails are symmetrically installed on the sliding base in a sliding mode, the tops of the two lower sliding rails are fixedly connected with upper sliding rails through connecting columns, the two lower sliding rails form a lower-layer sliding way, and the two upper sliding rails form an upper-layer sliding way. The two slide ways are arranged on one carrying device, the carrier plate assembly is driven by the jacking mechanism to be switched on the two slide ways, continuous vehicle storage or continuous vehicle taking can be achieved, the two carrying devices do not need to be used for storing and taking vehicles in turn, only one carrying device needs to be arranged, the occupied area is small, and when the carrying device is used, the carrying device is convenient to use. A user can complete vehicle parking and taking only by waiting at a specific parking opening, and use is more convenient.
Owner:SHANDONG YINGHE AUTOMATIC PARKING EQUIP CO LTD

Application of perhydrogenated cyclic olefin polymer and solid tire rubber material

The invention discloses application of a perhydrogenated cyclic olefin polymer and a solid tire rubber material. Wherein the fully-hydrogenated cyclic olefin polymer comprises a hydrogenated aromatic ethylene block and a hydrogenated conjugated diene block, and the solid tire rubber material comprises the following components in parts by mass: 35-60 parts of the fully-hydrogenated cyclic olefin polymer; 15 to 25 parts of polypropylene; 10 to 20 parts of polyethylene; 1-5 parts of a wear-resistant agent; 0.1 to 1 part of an antioxidant; and 0.05 to 0.5 part of an anti-ultraviolet absorbent. The solid tire rubber material adopting the fully-hydrogenated cyclic olefin polymer is good in processing fluidity and excellent in thermo-oxidative aging resistance, and a prepared solid tire has excellent wear resistance, good rebound resilience, high weather resistance, explosion-proof performance and puncture-proof performance; and the performance requirements of manufacturing artificial intelligence equipment tires such as meal delivery robots and remote control cars can be met.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Fixing device for hub machining

The utility model relates to the technical field of fixing devices, and discloses a hub machining fixing device which comprises a mounting base, a rotating disc is rotationally connected to the upper surface of the mounting base, a mounting piece is fixedly connected to the upper surface of the rotating disc, and a limiting assembly is arranged on the outer surface of the mounting piece. The hub is placed on the outer surface of the mounting part, meanwhile, an electric telescopic rod extends to enable a jacking block to move towards the inner wall of the hub, a connecting rod drives a sliding block to move in a sliding groove in the moving process of the jacking block, and then after the jacking block makes contact with the inner wall of the hub, the elastic force of a small spring pushes the connecting position of a pressing block and the inner wall of the hub, so that the hub is fixed. According to the hub machining device, the friction force between the jacking block and the hub is increased, the hub cannot be loosened during rotating machining, after the sliding block stops moving, a limiting pin penetrates through the sliding block to enter the limiting hole, and then the hub can be more stably limited by the jacking block.
Owner:ZHEJIANG YUELING

Rear derailleur and cycling equipment

The utility model relates to a kind of rear derailleur and cycling equipment, rear derailleur includes base assembly, connecting rod assembly and guide plate assembly, guide plate assembly includes first guide plate, second guide plate, guide wheel and tension pulley, connecting rod assembly is connected with guide wheel, guide wheel and tension pulley rotatably connect between first guide plate and second guide plate;First guide plate is located in the side close to cycling equipment wheel body;Wherein, first end face and second end face are formed on guide wheel, first end face is close to first guide plate, second end face is close to second guide plate, the distance between first end face and the center reference surface of guide wheel is less than the distance between second end face and the center reference surface of guide wheel.When rear derailleur moves to maximum freewheel piece position, the distance between spoke and first guide plate increases, which helps to reduce the risk of first guide plate winding into spoke, and is safer.
Owner:QINGDAO MAGENE INTELLIGENCE TECH CO LTD

Splice-match builder

Disclosed herein, a tire tread cutting apparatus for cutting a length of a tire tread is described. The tire tread cutting apparatus includes a track having a first track end and a second track end downstream of the first track end. The track includes a plurality of rollers positioned between the first track end and the second track end. The plurality of rollers is configured to facilitate the tire tread along the track. A tire hub is positioned downstream of and adjacent to the second track end. The tire hub is configured to receive a tire casing. The tire casing defines a tire casing circumference along an outer surface of the tire casing. A tread dispenser is positioned upstream of the track and configured to dispense tire tread. The tread dispenser includes a drive roller configured to drive tire tread downstream toward the second track end.
Owner:BRIDGESTONE BANDAG LLC

Combined type overspeed protection device for elevator

The invention discloses an elevator combined type overspeed protection device which comprises an overspeed protection device body, a traction wheel is installed on one side of the overspeed protection device body, a main shaft is inserted into the traction wheel in a penetrating mode, a speed reduction disc is fixedly arranged on the outer ring face of the main shaft, and a detection disc is fixedly arranged in the traction wheel. A detection wheel is installed on the upper side of the detection disc, a wheel speed detection device is arranged on one side of the detection wheel, a fixing frame is fixedly arranged on one side of the wheel speed detection device, and an overspeed protection device body is installed on the right side of the fixing frame. According to the combined type overspeed protection device for the elevator, the two sets of band-type brake plates are close to the speed reduction disc through the two sets of inverted-splayed transmission arms, the speed reduction disc is covered through the sealing gaskets on the band-type brake plates, and in cooperation with the overspeed protection device arranged on the elevator car, dual protection can be achieved when the elevator car overspeeds and falls; and the survival rate of people in the lift car is improved.
Owner:王要辉

A wheel assembly dismounting structure of a winding device

The utility model provides a kind of winding device wheel assembly dismounting structure, including guide rail assembly, base mechanism and two wheel assemblies, guide rail assembly includes guide rail frame and multiple mutually spliced guide rails, base mechanism includes base and two base half covers, every wheel assembly includes wheel, wheel shaft, fixed distance ring and two bearing assemblies, wheel shaft has shaft shoulder, shaft shoulder is set between one bearing assembly and the side of wheel, fixed distance ring is set between another bearing assembly and the other side of wheel.Such when replacing wheel assembly only need to unload base half cover, and unload the connection between bearing assembly and base, and wheel assembly can be replaced as a whole, without needing to disassemble and assemble components one by one, to improve replacement efficiency and speed up recovery production;And by improving the structure form of wheel bore and removing locking sleeve, under the bidirectional action of shaft shoulder and fixed distance ring, wheel will not appear the condition of running off, to avoid wheel deviation and prevent accidents.
Owner:HUNAN VALIN LIANYUAN IRON & STEEL CO LTD

Conveying system composed of truss robot and longitudinal rails

The utility model discloses a conveying system consisting of a truss robot and longitudinal tracks, which is characterized in that wheel sets, two to three longitudinal tracks longitudinally arranged side by side, a plurality of overhauling devices, a wheel set buffer area and the truss robot are arranged in a railway vehicle depot or a plant of a vehicle plant axle workshop; each longitudinal track is provided with various maintenance devices arranged according to the process flow sequence, a transition track is arranged between every two adjacent maintenance devices on the same longitudinal track, and conveying of the wheel sets between the wheel set cache area and the transition tracks is achieved through the truss robot. The full-flexible production line has the main advantages that the labor intensity of workers is low, the automation degree is high, the occupied area is small, the operation efficiency is high, and the full-flexible production line in the true sense is achieved.
Owner:JIANGSU SUSHENG AUTOMATION EQUIP +1

Quick dismounting method for tire of mine sliding plate type wheelless equipment

The invention relates to the technical field of tire disassembly, in particular to a quick tire disassembly method for mine sliding plate type wheelless equipment, which comprises a working plate formed by fixedly connecting a transverse plate with a forked front end so as to stably support the cambered surface of a tire and an inclined plate with a gradually narrowed rear end and a slightly upwarped rear end; a pair of solid wheels is fixedly connected to the outer side of the wheel shaft; and the pressurizing mechanism is connected in the inclined plate in a sliding manner and is used for increasing the output force of the inclined plate, so that the transverse plate pries a heavier tire with smaller force. Optionally, the pressurizing mechanism comprises a connecting plate, a limiting plate, a plurality of groups of threaded holes and nuts. Through the structure of the lever type transverse plate and the inclined plate and the structural design of the adjustable pressurizing mechanism, rapid and safe disassembly of the mine tire is achieved, the forked transverse plate bears the arc face of the tire, the tire is disassembled by means of the lever principle through cooperative force application of hands and feet, and the pressurizing mechanism improves the warping output force of the transverse plate under the heavy load working condition; and the manual operation intensity and the dismounting risk are greatly reduced.
Owner:CHINA HUAYE GROUP

A hydraulic maintenance device for disassembling and assembling axles of mining equipment

The present invention discloses a hydraulic maintenance device for disassembling and assembling the wheel axle of mining equipment, relating to the technical field of mining equipment maintenance, comprising a base plate, wherein the lower end surface of the base plate is rotatably connected to a universal wheel, the upper end surface of the base plate is also fixedly connected to a mounting plate, the upper end surface of the mounting plate is fixedly connected to a shell, the end surface of the shell is also fixedly connected to a hydraulic rod, the output end of the hydraulic rod abuts against a wheel axle rod, the surface of the wheel axle rod is also slidably connected to a bearing, a clamping assembly is arranged in the shell for clamping the bearing, a cleaning assembly is arranged on the base plate for cleaning the surface of the wheel axle rod, a lubricating assembly is arranged on the base plate, the lubricating assembly is linked to the cleaning assembly, and the lubricating assembly is used to drip lubricating oil on the connecting end of the wheel axle rod and the bearing, thereby solving the problem that dust not only hinders the movement of the bearing on the shaft rod but also scratches the surface of the shaft rod when disassembling and assembling the wheel axle of mining equipment, thereby affecting the normal use of the shaft rod afterwards.
Owner:ZHEJIANG SHANYING GRP CHANGXING MINERAL IND CO LTD

Multi-station wheel burr polishing device

The utility model discloses a multi-station wheel burr polishing device, and belongs to the technical field of machining. The device comprises a first station, a second station, a third station, a fourth station, a main motor and a rotating table, the output end of the main motor is vertically upward, and the output end of the main motor is connected with the rotating table and used for driving the rotating table to rotate; the rotating table is a cube, the four side walls of the rotating table correspond to a first station, a second station, a third station and a fourth station, and any side wall of the four side walls of the rotating table is used for installing wheels. The first station, the second station, the third station and the fourth station are sequentially distributed in the circumferential direction, and every two adjacent stations are spaced by 90 degrees. The first station is used for loading and unloading wheels; the second station is used for polishing burrs of a valve hole of the wheel; the third station is used for polishing window burrs of the wheel; and the fourth station is used for polishing burrs of bolt holes of the wheels. According to the device, multiple burr grinding procedures are completed in the device, and the machining efficiency is improved.
Owner:CITIC DICASTAL CO LTD

Hydraulic maintenance equipment for dismounting and mounting wheel axle of mining equipment

The invention discloses hydraulic maintenance equipment for dismounting and mounting a wheel axle of mining equipment, and relates to the technical field of mining equipment maintaining.The hydraulic maintenance equipment comprises a first bottom plate, universal wheels are rotatably connected to the lower end face of the first bottom plate, a mounting plate is further fixedly connected to the upper end face of the first bottom plate, and a first shell is fixedly connected to the upper end face of the mounting plate; the end face of the first shell is further fixedly connected with a hydraulic rod, the output end of the hydraulic rod abuts against a wheel shaft rod, the surface of the wheel shaft rod is further slidably connected with a bearing, the clamping assembly is arranged in the first shell and used for clamping the bearing, the sweeping assembly is arranged on the first bottom plate and used for sweeping the surface of the wheel shaft rod, and the lubricating assembly is arranged on the first bottom plate. The lubricating assembly is in linkage with the cleaning assembly, the lubricating assembly is used for dripping lubricating oil at the connecting end of the axle rod and the bearing, and the problems that when the axle of the mining equipment is disassembled and assembled, dust can hinder movement of the bearing on the axle rod, the surface of the axle rod can be scratched, and normal use of the axle rod is affected are solved.
Owner:ZHEJIANG SHANYING GRP CHANGXING MINERAL IND CO LTD

A machine tool performance tester

The application provides a machine tool performance testing machine, and relates to the field of machine tool performance testing. The machine tool performance testing machine comprises a workbench and two guide rail seats, the two guide rail seats are fixed to the two opposite sides of the workbench, a sliding rail is arranged on the guide rail seat, a sliding plate is arranged on the sliding rail in a sliding mode, a cross beam is arranged between the two sliding plates, and a driving mechanism for driving the sliding plate to slide is arranged on the two guide rail seats; the driving mechanism comprises a screw rod transmission part and a gear transmission part, the screw rod transmission part is arranged on the guide rail seat, and the gear transmission part is arranged between the guide rail seat and the sliding plate. The application has the effect of not needing to replace a testing environment or using multiple driving devices to perform testing in turns, so that time and effort are saved.
Owner:宁庆空天智能装备(南京)股份有限公司

Wheel hub machining equipment

The utility model relates to the technical field of hub machining, and discloses a wheel hub machining device, a hub positioning mechanism comprises a mounting rack, and the mounting rack supports the hub positioning mechanism; the working motor is mounted above the mounting rack; the connecting screw rod is connected with the working motor; the bottom end of the movable frame is connected to the surface of the connecting screw rod in a sleeving manner; a handle; one end of the rotating screw rod is connected with the handle; the clamping plate is connected to the top end of the rotating screw rod; and the positioning plate is mounted above the movable frame. By rotating the handle, the handle drives the rotating screw rod to rotate, the clamping plate connected to the top end of the rotating screw rod is pushed, the clamping plate is pushed to the inner side, the clamping plate moves towards the direction of the positioning plate, the clamping plate and the positioning plate clamp and position a hub, and the stability of the hub is guaranteed; and the drilling operation is convenient.
Owner:QINGDAO JINZHONGSHUN VEHICLE CO LTD

Anti-vibration and anti-loosening hub wedge lock nut

The utility model discloses an anti-vibration and anti-loosening hub wedge lock nut which is a novel nut anti-loosening fastening technology mainly applied to various types of automobile hubs, other equipment hubs and mechanical equipment. The anti-loosening fastening performance of the nut in the long-time vibration and high-frequency vibration process is enhanced through the anti-vibration and anti-loosening hub wedge lock nut. The utility model relates to an anti-vibration and anti-loose hub wedge lock nut which is a technical upgrading version of an anti-vibration and anti-loose wedge lock nut (the patent number of authorized utility model is 2020212072105) in the patent technology of the utility model previously researched and developed in Yellow River and Chuanghua (the patent number of authorized utility model is 2020212072105). The anti-vibration and anti-loosening hub wedge lock nut comprises a wedge nut body (1) and a sleeve nut body (2). The device is characterized in that the wedge nut (1) is structurally provided with an arc-shaped wedge table (4), a conical base (5), a wedge nut thread (11) and a wedge table angle (r); the sleeve nut (2) is structurally provided with a wedge groove (6), a wedge groove angle (m), a sleeve top (7), a threaded hole groove (8) and a sleeve nut thread (10).
Owner:黄林川

Falling device and automatic coffee vending machine

The utility model relates to the technical field of container falling, in particular to a falling device and an automatic coffee vending machine. A falling device comprises a moving assembly, a falling assembly, a first goods channel and a second goods channel, a fixed clamping plate and a movable clamping plate surround the outer portions of the lower ends of the first goods channel and the second goods channel, the two ends of the moving assembly are connected with the movable clamping plate and the fixed clamping plate respectively, and the falling assembly is located below the moving assembly. The falling assembly comprises a falling motor, a laser correlation device and an annular gear, a driving wheel is installed at the output end of the falling motor, the driving wheel is meshed with the outer ring of the annular gear, a plurality of clamping device wheels are meshed with the inner ring of the annular gear, the clamping device wheels are connected with the movable clamping plate, and the laser correlation device is installed on the middle cover. The product is reasonable in design, automatic falling and automatic replacement of containers such as cups are achieved through the falling assembly and the moving assembly, the goods channel does not need to be manually replaced, normal falling of the containers can be guaranteed as long as the containers exist in the standby goods channel, and the experience of a user is guaranteed.
Owner:SHARETRONIC DATA TECH CO LTD

Method for detecting the replacement of a wheel assembly or sensor device, tire pressure monitoring system, electronic control unit and vehicle

The invention relates to a method (100) for detecting a replacement of a wheel unit (6) having a sensor device (7) or a replacement of the sensor device (7) of the wheel unit (6) of a vehicle (1) having a tire pressure monitoring system (4), wherein the sensor device (7) is configured to detect a tire pressure parameter (R) and to transmit (120) sensor signals (S) to a receiving device (8) of the tire pressure monitoring system (4), and wherein a plurality of sensor signal criteria (SSK) of the transmitted sensor signal (S) is evaluated (130) to determine a combination (K) of sensor signal values ​​(SSW), and based on the combination (K) of sensor signal values ​​(SSW) a replacement of the wheel unit (6) or the sensor device (7) is detected (E1-J).The invention further relates to a tire pressure monitoring system (4) for a vehicle (1), an electronic control unit (5) for a tire pressure monitoring system (4) and a vehicle (1).
Owner:ZF CV SYST EURO BV

Process and plant for producing tyres for vehicle wheels

A process and a plant for producing tyres for vehicle wheels are described. Building of a crown structure of the tyre includes building a crossed belt structure on a substantially cylindrical first forming drum, transferring the crossed belt structure from the first forming drum to an annular holding member, positioning a second forming drum in a radially inner position with respect to the annular holding member, transferring the crossed belt structure from the annular holding member to the second forming drum by radially expanding the second forming drum until it is brought into contact with the crossed belt structure so as to toroidally shape the crossed belt structure, and depositing at least one zero degrees belt layer on the second forming drum in a radially outer position with respect to the toroidally-shaped crossed belt structure.
Owner:PIRELLI TYRE SPA

Wheel drive device and motor vehicle

The invention relates to a wheel drive device for a motor vehicle, comprising a wheel hub (2) rotatably mounted about a wheel axis and a side shaft with a joint outer part (1), as well as a gearing device which has a first toothing (13) on the wheel hub side and a second toothing (12) on the joint outer part side, wherein the first toothing (13) engages with the second toothing (12), whereby the wheel hub (2) is rotationally fixed to the joint outer part (1), wherein the gearing device has an elastic axial locking device by means of which the wheel hub (2) is axially fixed to the joint outer part (1).
Owner:MERCEDES BENZ GROUP AG

Tire positioning device and tire nail embedding equipment comprising same

The utility model relates to the technical field of tire nailing, and particularly provides a tire positioning device and tire nailing equipment comprising the same. The tire positioning device comprises a first frame, a rotating driving mechanism, a lead screw assembly, a comb rack, a second frame, a moving driving mechanism and a moving seat. The first frame is provided with a rotation driving mechanism, a lead screw assembly and a comb rack, the lead screw assembly comprises a lead screw and a nut seat, and the rotation driving mechanism is in driving connection with the lead screw; the second frame is connected with the nut base and provided with a moving driving mechanism and a moving base, the moving driving mechanism drives the moving base to move, the moving base is provided with inserting teeth, and the inserting teeth can be inserted into the comb rack. According to the scheme, the gear shaper and the comb rack are meshed and stressed, so that the stress condition of a transmission chain is replaced or shared, the transmission chain is prevented from being damaged, and the stability of the device is improved; a common motor and a small lead screw can be selected for transmission, so that the cost is reduced; in addition, sudden movement of the tire positioning component caused by power failure of the device can be prevented, and accidental risks are reduced.
Owner:HIMILE CNC MASCH TOOL (SHANDONG) CO LTD

Insect guard for lawn mowing; suitable for use and attachment to all lawn mowers and small transporters with a cutter bar at the front.

ActiveDE202025002402U1MowersAnimal scienceDrive shaft
Figure 1 characterized in that the telescopic roller with brushes (3) and rollers and bearing (2) with drive shaft (1) telescopic rod (4) and (5) for attachment to all devices. This is characterized by the fact that the telescopic roller with brushes and drive rollers, as well as the telescopic rods (5) and (6), rest on the device wheels by their own weight and are thereby driven. Figure 2 characterized in that the telescopic roller with brushes and drive rollers (1) and (3) thereby generates the wind of the brushes.
Owner:SANZO FRANCESCO

Gardening tractor with self-adaptive and adjustable wheel track

The invention relates to the technical field of horticultural tractors, and discloses a wheel track self-adaptive adjustable horticultural tractor which comprises a main machine body, an engine is fixedly connected to the upper side of the front end of the main machine body, a watering mechanism is fixedly connected to the upper side of the engine, and a seeding mechanism is fixedly connected to the upper side of the middle of the main machine body. According to the garden tractor, through cooperation of the main machine body, the electric telescopic rod, the driving wheels, the double-head motor, the engine and the water spraying mechanism, the wheel track of the garden tractor can be adjusted in a self-adaptive mode, the garden tractor is in linkage with a water spraying system, and the problems that an existing garden tractor is single in function, and an existing water spraying system is limited in coverage range and poor in atomization effect are solved; through mutual cooperation of the seeding mechanism and the soil turning piece, the problems that most of horticultural tractors in the current market only have a simple turning function and are lack of linkage with the seeding mechanism, the seeding uniformity is poor in the operation process, and operation is tedious are solved.
Owner:JIANGSU UNIV YANGZHOU (JIANGDU) NEW ENERGY VEHICLE IND RES INST

Rim machining equipment

The utility model belongs to the technical field of bicycle production, and discloses rim machining equipment. The wheel rim machining equipment comprises a rack, a rotary table mechanism, a clamping mechanism and a drilling mechanism, a workbench is arranged on the rack, the rotary table mechanism comprises a rotary table driving part and a rotary table, the rotary table is rotationally arranged on the workbench, the clamping mechanism is arranged on the rotary table and used for clamping a wheel rim, and the drilling mechanism is arranged on the rack and used for drilling the wheel rim. The drilling mechanism comprises a first manipulator and a second manipulator, a first drill bit is arranged at the tail end of the first manipulator, a second drill bit is arranged at the tail end of the second manipulator, and the first manipulator and the second manipulator are configured to respectively drive the first drill bit and the second drill bit to machine the same hole site in the rim step by step or synchronously machine two adjacent hole sites in the rim; wherein the first drill bits drill holes from the inner side to the outer side of the rim, the second drill bits drill holes from the outer side to the inner side of the rim, complex hole positions can be machined, manual operation is reduced, the labor intensity is lowered, and the production efficiency and the production quality are improved.
Owner:GIANT KUNSHAN