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32results about How to "Not easy to make noise" patented technology
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Technic for processing suspension spring
The invention relates to the technical field of spring manufacturing, in particular to a technic for processing a suspension spring. The technic includes the whole processes of feeding inspection of raw materials of steel wire rods, molding, heat treatment, preliminary treatment, packaging and storage. The technic is characterized in that after being molded, the raw materials are processed by theheat treatment, cooling and temperature preservation and then are processed by the thermal forced compression technology, cooling means that the temperature of the spring is lowered to range from roomtemperature to 200 DEG C by cooling, and temperature preservation means that the temperature of the spring is maintained to range from the room temperature to 300 DEG C; the thermal forced compression technology adopts temperature compression, the temperature ranges from the room temperature to 290 DEG C, and heat shot blasting is carried out after the thermal forced compression technology is carried out; and the preliminary treatment includes deoiling, degreasing, parkerising, cleaning and passivation.
Owner:QIANJIANG SPRING HANGZHOU CO LTD
Formaldehyde-free solid wood composite floor and manufacturing method thereof
InactiveCN107310006AImprove filling abilityDoes not see throughLaminationLamination apparatusSolid woodSurface layer
The invention discloses a formaldehyde-free solid wood composite floor and a manufacturing method thereof. The formaldehyde-free solid wood composite floor comprises a surface layer, a base material layer and a bottom layer which are arranged from top to bottom. The base material layer is formed by sequentially bonding an upper layer body, a middle layer body and a lower layer body from top to bottom. The upper layer body and the lower layer body are both a two-layer board, and the middle layer body is a three-layer board. The two-layer board is composed of two layers of veneers with perpendicular texture, and the three-layer board is composed of three layers of veneers with perpendicular texture from top to bottom. All the veneers are bonded through YSD851 glue. The invention further provides the manufacturing method of the formaldehyde-free solid wood composite floor. The composite floor is free of formaldehyde and has no harm to human health; the glue is good in filling property, few in applied quantity, high in production efficiency and low in requirement for the hot-press time, temperature and pressure compared with other glue and saves cost; and the glue is long in active period and capable of being used for a long time.
Owner:兰州科天水性科技有限公司
An air-cooling and water-cooling hybrid heat dissipation case
InactiveCN109814690AImprove shock absorptionImprove noise reductionDigital processing power distributionSurface mountingWater storage tank
The invention discloses an air cooling and water cooling hybrid heat dissipation case. The case comprises a box body, a miniature booster pump and a sound insulation pad, cushion blocks are mounted onthe left side and the right side of the lower end surface of the box body, and telescopic rods are arranged on the inner sides of the left end and the right end of the buffer structure. A front groove position is reserved in the right side of the box body, and a CD-ROM drive position is arranged at the upper end of the right side in the box body. Circuit boards are tightly attached to the left sides of the CD-ROM position and the hard disk position, a first mounting block is mounted on the upper portion of the left side of the interior of the box body through bolts, a water cooling device istightly attached to the inner side of the fixing plate, a water pipe is tightly attached to the outer side of the upper end of the water cooling device, and a water adding port is mounted and connected to the right surface of the water storage tank. According to the air-cooling and water-cooling hybrid heat dissipation case, the water cooling device and the air cooling device are reasonably and effectively combined, so that the heat dissipation effect is further enhanced, the shock absorption and noise reduction effects are better, and the water cooling device is simple in structure and convenient to mount and dismount.
Owner:HUNAN UNIV OF ARTS & SCI
Heat radiating fan wheel
The invention relates to a heat radiating fan wheel provided with a wheel hub, wherein a plurality of blades are formed on the periphery wall of the wheel hub; the total number of the blades is n; anincluded angle (theta1, theta2, theta3, ..., thetan) is formed between every two adjacent blades; from the included angle (theta1), the heat radiating fan wheel orderly has the included angle (theta2), the included angle (theta3), ..., the included angle (thetan) in the clockwise or counterclockwise direction; and the included angles of the blades can orderly form the design of increment angles, so that the included angles of the blades are different. Thus, when the fan wheel drives the external air flows to carry out the heat radiation, noises with the same vibration frequency are not easilyproduced.
Owner:SUNONWEALTH ELECTRIC MACHINE IND
Sound-free elastic point type multi-fastening floor board
A sound-free elastic point type multi-fastening floor board comprises board blocks and a keel, a transverse straight tenon is formed at one end of each board block, a transverse straight mortise is formed at the other end of each board block, the transverse straight tenons on each two adjacent board blocks are inserted and sleeved in the transverse straight mortises, the keel is made of aluminum alloy or plastic materials, a keel body is 7-shaped and is provided with a downward front hook straight tenon and an upward rear vertical tenon, a front hook straight mortise and a rear vertical straight mortise matched with the front hook straight tenon and the rear vertical tenon respectively are formed on each wood board block, and the front hook straight tenon and the rear vertical tenon are inserted and sleeved in the front hook straight mortise and the rear vertical straight mortise respectively. Each two adjacent board blocks are fastened more closely, the fastening tenons are difficult to damage, and the floor board is easy to produce and cannot generate sound when people walk thereon by the aid of the keel with certain elasticity.
Owner:李新发
Safety protection washer device of road well lid
InactiveCN104863182ACancel noisePrevent falling wellArtificial islandsTraffic signalsChinese charactersEngineering
The invention relates to a road well lid and discloses a safety protection washer device for the road well lid. The safety protection washer device for the road well lid is provided with a protection washer, at least two washer supporting frames, a telescopic traffic barrier cone and a protection rope net, wherein the washer supporting frames are fixed on the inner wall of an inspection well; the protection washer is arranged on the washer supporting frames; the telescopic traffic barrier cone is installed on the top of the protection washer; the protection rope net is arranged on the inner ring of the protection washer. The top of the protection washer is attached to the inspection well lid so as to avoid noise, and the protection washer can be a tyre, especially a used tyre. The washer supporting frames can be three to six fixing screws, and the fixing screws are evenly distributed on the inner wall of the inspection well. The fixing screws can be provided with buckles used for buckling the protection washer. The protection rope net can be a woven net in a cross shape, shaped like a Chinese character 'jing' in an X shape, in a * shape or the like. The telescopic traffic barrier cone can be a telescopic conical traffic red and white warning pull cover. The safety protection washer device for the road well lid is simple in structure, low in manufacturing cost, good in safety and good in environmental protection property.
Owner:黄佳毅 +1
Hanging rail type inspection robot
PendingCN114310930AEffective positioningNo noiseManipulatorPhotovoltaic energy generationDrive wheelControl theory
The invention relates to a hanging rail type inspection robot, and relates to the field of inspection robots. The rail hanging type inspection robot comprises a rail main body, positioning grooves are formed in the two sides of the rail main body, and two sliding grooves are symmetrically formed in the lower surface of the rail main body; two supporting blocks are symmetrically and fixedly connected to the top of the fixing seat, fixing shafts are fixedly connected to the top ends of the two supporting blocks, positioning wheels are fixedly connected to the ends of the fixing shafts, a rotating rod is rotationally connected to the upper surface of the fixing seat, two driving wheels fixedly sleeve the outer surface of the rotating rod, and a driving assembly is arranged in the fixing seat; a lifting assembly is arranged between the movable seat and the fixed seat, a limiting assembly is arranged at the bottom of the movable seat, and the limiting assembly is connected with an inspection camera. The hanging rail type inspection robot is not prone to generating noise in the moving process, and even if the hanging rail type inspection robot is used for a long time, the situation that noise is generated due to abrasion is avoided.
Owner:HANGZHOU SHENHAO TECH
Protective sleeve for folding screen mobile terminal
PendingCN109889641AMerged contact mitigationNot easy to make noiseTelephone set constructionsComputer engineering
Owner:深圳三羊塑胶五金有限公司
Lifting device of automobile cup holder supporting cover and automobile cup holder
ActiveCN113665456ALifting and descending smoothlyNot easy to make noiseVehicle arrangementsDrive shaftGear wheel
Owner:NINGBO SHUAITELONG GRP CO LTD
Simple buffer garbage can
The invention discloses a simple buffer garbage can. The simple buffer garbage can comprises a can body and a can cover; the can cover is connected to the top of the can body through a hinge shaft; a control cavity is formed in the bottom wall of the can body; an ejector rod channel is formed in the side wall of the can body; a pedal is arranged in the control cavity; an ejector rod is arranged in the ejector rod channel; the bottom end of the ejector rod is connected with the pedal; a rotating shaft is arranged in the control cavity, and is provided with three convex rods; the middle part of the pedal is connected into the control cavity through a pin shaft; the inner side end of the pedal is connected with one cam rod through a shaft rod; the bottom of the ejector rod is connected to another convex rod through a shaft pin; a U-shaped buffer tank is formed in the bottom wall of the control cavity; a buffer ejector rod is arranged in the U-shaped buffer tank; a buffer spring is arranged between the end part of the buffer ejector rod and the end wall of the control cavity; and the outer side end of the buffer ejector rod is butted against the third convex rod. The simple buffer garbage can is reasonable in structural setting, solves the technical defect of generating noise in covering of the garbage can in the prior art, and is excellent in use stability and high in adaptability.
Owner:ANHUI XINYU ENVIRONMENTAL SANITATION MACHINERY
Fan oscillating mechanism and fan with fan oscillating mechanism
ActiveCN103953558AAvoid relative swingAccurate transmissionPump installationsNon-positive displacement fluid enginesWorm driveControl theory
The invention provides a fan oscillating mechanism and a fan with the fan oscillating mechanism, and belongs to the field of electrical appliances. The fan oscillating mechanism comprises a gear box, a motor, a crank wheel and a connecting rod, wherein a worm, a force overcoming structure and an output shaft are arranged in the gear box; the force overcoming structure comprises a force overcoming cylinder and a force overcoming shaft; the force overcoming shaft extends into the force overcoming cylinder; the force overcoming cylinder is connected with the force overcoming shaft through a force overcoming bulge and a force overcoming recess; the force overcoming structure is matched with the output shaft; the output shaft is connected with the crank wheel; a motor supporting shaft is arranged on the motor and connected with a motor supporting shaft sleeve; the crank wheel is connected with the motor supporting shaft sleeve through the connecting rod. When the fan oscillating mechanism works, the power of the motor is driven by the gear box to drive the crank wheel to rotate, so that the motor supporting shaft rotates, and oscillation of the fan can be driven thereby. When the oscillation of the fan is blocked, the worm can be driven accurately by the adoption of the novel force overcoming structure, so that the problem of noise is well solved.
Owner:CIXI YENIXI ENVIRONMENTAL PROTECTION TECH
Front-drive automobile transmission
InactiveCN105840793AExtended service lifeIncrease stiffnessShaftsGearing detailsNeedle roller bearingAutomotive engineering
The invention discloses a front-drive automobile transmission good in rigidity. The front-drive automobile transmission comprises a high-speed synchronizer assembly, a third-gear and fourth-gear synchronizer assembly, an input shaft, an intermediate shaft, an input shaft sixth-gear gear, an input shaft fifth-gear gear, an input shaft fourth-gear gear, an input shaft third-gear gear, an input shaft second-gear gear, an input shaft first-gear gear, an intermediate shaft sixth-gear gear, an intermediate shaft five-gear gear, an intermediate shaft fourth-gear gear, an intermediate shaft third-gear gear, an intermediate-shaft second-gear gear, a low-speed synchronizer assembly, a first-gear needle bearing, an intermediate shaft constantly-engaged gear, an intermediate shaft first-gear gear assembled on the first-gear needle bearing, a differential mechanism shell, a differential mechanism main reduction gear and a differential mechanism planetary gear. The high-speed synchronizer assembly and the third-gear and fourth-gear synchronizer assembly can both be assembled on the intermediate shaft in a left-right sliding manner. The high-speed synchronizer assembly is located between the intermediate shaft sixth-gear gear and the intermediate shaft fifth-gear gear, and the third-gear and fourth-gear synchronizer assembly is located between the intermediate shaft third-gear gear and the intermediate shaft fourth-gear gear.
Owner:CHONGQING TSINGSHAN IND
Heavy-load conical hinge
The invention provides a heavy-load conical hinge. The heavy-load conical hinge comprises two hinged blades, a conical hinge pin, nylon pin sleeves and pin caps. Connecting pieces of the two blades are oppositely and coaxially arranged and internally provided with the nylon pin sleeves respectively, and skirt parts of the nylon pin sleeves are oppositely arranged; a conical part of the conical hinge pin is inserted into pin holes of the two oppositely-arranged nylon pin sleeves, and the inner walls of the pin holes are tightly attached to the surface of the conical hinge pin; the upper end face and the lower end face of an annular part of the conical hinge pin abut against the skirt parts of the two nylon pin sleeves respectively; the pin caps are packaged at the two ends of the conical hinge pin. By means of the heavy-load conical hinge, heavy-load hinged connection can be achieved, and no noise exists during movement.
Owner:佛山市敏惠自动化设备科技有限公司
Silicon material cleaning equipment
InactiveCN108722983AClean upFast cleaningDrying gas arrangementsCleaning using liquidsEngineeringCleansing Agents
The invention discloses silicon material cleaning equipment which comprises a body and the like, wherein a plurality of supporting columns are fixed in the bottom of the body; a deionized water pipeline is connected to the back surface of the body; a chemical cleaning agent pipeline is located on one side of the deionized water pipeline; a plurality of working fans and driers are fixed in the bottom of an outer box body; the fans are located among the driers; an isolating net is fixed above the working fans; and a plurality of soundproof plates are fixed in two sides of the outer box body. Cleaned in multiple steps for multiple times, a silicon material is cleaned more thoroughly, so that the cleaning speed of the silicon material is improved, and the work efficiency is also improved. Thesilicon material chemical cleaning equipment is unlikely to make noise during work, so that staff is unlikely to be subjected to noise pollution during work.
Owner:付淑珍
A fan shaking head mechanism and a fan using the same
ActiveCN103953558BAvoid swingingAccurate transmissionPump installationsNon-positive displacement fluid enginesControl theoryElectrical equipment
The invention provides a fan oscillating mechanism and a fan with the fan oscillating mechanism, and belongs to the field of electrical appliances. The fan oscillating mechanism comprises a gear box, a motor, a crank wheel and a connecting rod, wherein a worm, a force overcoming structure and an output shaft are arranged in the gear box; the force overcoming structure comprises a force overcoming cylinder and a force overcoming shaft; the force overcoming shaft extends into the force overcoming cylinder; the force overcoming cylinder is connected with the force overcoming shaft through a force overcoming bulge and a force overcoming recess; the force overcoming structure is matched with the output shaft; the output shaft is connected with the crank wheel; a motor supporting shaft is arranged on the motor and connected with a motor supporting shaft sleeve; the crank wheel is connected with the motor supporting shaft sleeve through the connecting rod. When the fan oscillating mechanism works, the power of the motor is driven by the gear box to drive the crank wheel to rotate, so that the motor supporting shaft rotates, and oscillation of the fan can be driven thereby. When the oscillation of the fan is blocked, the worm can be driven accurately by the adoption of the novel force overcoming structure, so that the problem of noise is well solved.
Owner:CIXI YENIXI ENVIRONMENTAL PROTECTION TECH
Grain drying device with multi-batch circulation function for livestock breeding
InactiveCN112229144AImprove drying efficiencyExtended storage timeSievingScreeningAgricultural scienceCrop livestock
The invention belongs to the technical field of livestock breeding, and particularly relates to a grain drying device with a multi-batch circulation function for livestock breeding. The grain drying device comprises a shell, a feeding port, a discharging port, a preheating box, a drying box, a drying mechanism, a crushing and filtering mechanism, a vibrating mechanism and a discharging cylinder; supporting columns are fixedly connected to the bottom end of the shell; the drying box is fixedly connected to the inner wall of the shell; the discharging port is formed in the bottom end of the drying box; the end part, far away from the drying box, of the discharging port penetrates through the inner wall of the shell and extends out of the shell; the top end of the drying box is fixedly connected with the discharging cylinder; the top end of the discharging cylinder is fixedly connected with the preheating box; the preheating box communicates with the drying box through the discharging cylinder; and the drying mechanism is arranged in the drying box. According to the grain drying device with the multi-batch circulation function for livestock breeding, the problems that materials accumulated together are not thoroughly dried, impurities of the materials accumulated together cannot be removed, and further impurity removal needs to be carried out after drying are solved.
Owner:文书亮
Folding doors for slopes
InactiveCN105113936BSmooth foldingNot easy to make noiseWing openersWing arrangementsOptical axisEngineering
The invention discloses a folding door applied to a slope, which comprises a door frame, a door leaf, a transmission mechanism and a track groove placed on the slope. The bottom of the door leaf is set at a corresponding angle according to the height of the slope. The door leaf, the side door leaf is connected to the middle door leaf through a hinge, and the other side is connected to the door frame through a rotating shaft. The transmission mechanism includes a guide wheel, a bearing seat and a counterweight. The optical axis moves up and down and rotates. The guide wheel is placed in the track groove and connected to the optical axis through bolts. The other end of the optical axis is connected to the counterweight. The upward tension of the optical axis is applied by the counterweight to drive the guide wheel Keep fit and slide on the upper end of the track groove; through the transmission mechanism, the folding door can move on the slope, and the center of gravity of the door body acts on the upper end of the track groove evenly, so that the folding of the door leaf is very smooth, and it is not easy to generate noise.
Owner:吴杰鸣
Self-opening manual tailgate assembly and vehicle comprising same
PendingCN109505477ASimple structureReduce manufacturing costPower-operated mechanismHingesEngineeringMechanical engineering
The invention discloses a self-opening manual tailgate assembly and a vehicle comprising the same. The self-opening manual tailgate assembly comprises a tailgate, a vehicle body, a hinge and a pneumatic support rod, wherein the hinge is provided with a first end part and a second end part, the first end part is pivoted to the vehicle body, and the second end part is fixed to the tailgate; and thepneumatic support rod is provided with a first end part and a second end part, the first end part of the pneumatic support rod is pivoted to the vehicle body, and the second end part of the pneumaticsupport rod is pivoted to the hinge. When the tailgate is closed and is in a locked state, the pneumatic support rod is compressed. When the tailgate is in an unlocked state, the pneumatic support rodis stretched and is linked to the hinge to rotate, so that the tailgate is opened. The vehicle comprises the self-opening manual tailgate assembly. According to the self-opening manual tailgate assembly, the opening and closing of the tailgate can be realized by stretching the pneumatic support rod, and therefore noise is not easily produced when the tailgate is opened or closed. Moreover, the self-opening manual tailgate assembly has the advantages of simple structure and low production cost.
Owner:QOROS
Lifting device for car cup holder cover and car cup holder
ActiveCN113665456BLifting and descending smoothlyNot easy to make noiseVehicle arrangementsGear wheelDrive shaft
Owner:NINGBO SHUAITELONG GRP CO LTD
Simple buffer trash can
Owner:ANHUI XINYU ENVIRONMENTAL SANITATION MACHINERY
Fan
Owner:SHENZHEN FLUENCE TECH
Pet button prompting method
The invention discloses a pet button prompting method, belongs to the technical field of elevators, can be used for performing prompting and informing when owners carry pets to take elevators so as toremind the owners allergic or uncomfortable to the pets and avoid contradiction. The method is specifically characterized in that an LOP and a COP both have pet prompting functions, people waiting for an elevator outside the elevator can remind people in an elevator car of the pets outside the elevator car by pressing a pet button, the people in the elevator car can remind the people waiting forthe elevator of the pets inside the elevator car by pressing the pet button, meanwhile pet boxes are arranged in the elevator to temporarily store the pets and release corresponding smell with a pacifying function, and a corresponding special electronic key is provided for the each owner storing the pets in the pet boxes so as to remind the owners of take-out of the pets and closing of pet promptswhen the owners leave the elevator. According to the method, misleading of the pet prompts is avoided, the accuracy of the pet prompts is improved, and a safe and harmonious guarantee is provided forelevator operation.
Owner:JIANGSU WELM TECH
A heavy-duty conical hinge
Owner:佛山市敏惠自动化设备科技有限公司
a fan
Owner:SHENZHEN FLUENCE TECH
Fresh air pipe and forming process thereof
InactiveCN114111006AImprove experienceReduce wind resistanceDucting arrangementsLighting and heating apparatusMolten stateFresh air
The invention provides a fresh air pipe and a forming process thereof.The forming process of the fresh air pipe comprises the following steps that S1, an oval pipe mold with the oval cross section is obtained, and an extrusion machine head is arranged on the periphery of one end of the oval pipe mold; s2, the oval tube mold is controlled to rotate and pass through the extrusion machine head; and S3, the plastic in the molten state is extruded to the oval pipe mold through the extrusion machine head, so that the fresh air pipe is formed. According to the forming process of the fresh air pipe, the problems that when an existing fresh air pipe of a fresh air conditioner is formed, the inner wall is uneven, so that wind resistance is large, and noise is large can be solved.
Owner:TCL AIR CONDITIONER ZHONGSHAN CO LTD
Positioning device for room door
The invention discloses a positioning device for a room door and belongs to the technical field of architectural hardware. The positioning device comprises a capturing device and a plugging device, wherein according to the capturing device, a round hole is formed in a bracket; the round hole part is covered by an elastic rubber sheet; a small hole is formed in the center of the elastic rubber sheet; an annular pressure plate is arranged on the outer side of the elastic rubber sheet; the annular pressure plate, the elastic rubber sheet and the bracket are fixedly arranged together by rivets or bolts; and according to the plugging device, a nonmetal ball body is fixedly arranged at the end part of a fixing rod. Compared with the prior art, the positioning device has the advantages of simple structure, lower cost, low possibility of sounding during use and facilitation for environment friendliness.
Owner:SUZHOU BLUE KING MACHINE TOOL TECH CO LTD
Novel well lid and processing and preparation method thereof
InactiveCN111691465AHigh strengthImprove plastic toughnessArtificial islandsSewerage structuresTemperingStructural engineering
The invention relates to a novel well lid, which comprises an upper cover plate, a transverse frame, a longitudinal frame and a lower cover plate, wherein a circular reserved opening is arranged in the middle of the upper end of the upper cover plate; the reserved opening protrudes upwards on the upper surface of the upper cover plate; three arc-shaped load-bearing strips are arranged at the upperend of the upper cover plate; the three load-bearing strips are uniformly distributed on the upper surface of the upper cover plate; the bearing strips protrude upwards on the upper surface of the upper cover plate; the lower end of the upper cover plate is fixedly connected to the upper end of the transverse frame and the upper end of the longitudinal frame; and the lower end of the transverse frame and the lower end of the longitudinal frame are fixedly connected to the lower cover plate. A processing and preparation process of the novel well lid comprises the following steps of blanking, upper furnace heating, press forming, quenching, tempering, inspection and welding. The novel well lid can bear the pressure of 9 to 15 tons, and has the advantages of high strength, plasticity and toughness, strong reliability, good dimensional accuracy, lightweight products, convenience for movement, resource conservation and low cost.
Owner:田洪秋
Vegetable spin dryer
The invention relates to a vegetable spin dryer which comprises a spin-drying bucket. Multiple water outgoing holes are formed in the spin-drying bucket, a baseplate is arranged below the spin-drying bucket, and a motor used for driving the spin-drying bucket to be in motion is arranged below the baseplate. The vegetable spin dryer is characterized in that multiple big gears are arranged on the spin-drying bucket, a support is arranged on the side face of the spin-drying bucket, a rotating shaft is arranged between the support and the baseplate, small gears are arranged at positions, corresponding to the big gears, on the rotating shaft, and the big gears are meshed with the small gears. Compared with the prior art, the vegetable spin dryer has the advantages that when the vegetable spin dryer is in use, jittering of the spin-drying bucket can be reduced, less proneness to generating noise is realized, and service life of the vegetable spin dryer can be prolonged.
Owner:石韧
Spinning mechanical equipment
InactiveCN108950880AEasy to cleanNot easy to make noiseCleaning using gasesNon-woven fabricsEngineeringMechanical equipment
The invention discloses spinning mechanical equipment. The spinning mechanical equipment comprises an operation panel and others, a working box is fixed to the rear face of the operation panel, a touch screen is fixed to the operation panel, multiple supporting pillars are fixed to the operation panel and the bottom of the working box, multiple spinning barrels are fixed to the working box, an upper machine cover is fixed to the working box and located in front of the spinning barrels, rotating buttons are fixed to the machine cover, a conveying belt is fixed to the rear face of the working box, the working box comprises a box cabinet and others, a protective film is fixed to the conveying belt, and a discharging port is formed in the rear face of the box cabinet. The spinning mechanical equipment is cleared in two ways which are realized through manual operation and a clearing fan, is cleared more conveniently and thoroughly, and will not easily make noise during work, and the workingefficiency of the spinning mechanical equipment is improved through the spinning barrels.
Owner:SUZHOU RUIZHONG NEW MATERIAL TECH CO LTD
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