Tag Archives: china sewing machine

China Hot selling Swiss CNC Machine Motor Shaft for Sewing Machine Parts screw shaft condition monitoring

Product Description

 Swiss CNC machine  Motor Shaft for Sewing Machine parts 

Materials Carbon steel: 10#, 18#, 1018, 22#, 1571, 40Cr, 45#, 1045, 50#, 55#, 60#, 65Mn, 70#, 72B, 80#, 82B
Alloy Structure Steel: B7, 20CrMo, 42Crmo, SCM415, SCM440, 4140
High-carbon chromium bearing steel: GCr15, 52100, SUJ2
Free-cutting steel: 12L14, 12L15
Stainless steel: 1Cr13, 2Cr13, 3Cr13, 4Cr13, 1Cr17, SUS410, SUS420, SUS430, SUS416, SUS440C, 17-4, 17-4PH, 130M, 200, 201, 202, 205, 303, 303Cu, 304, 316, 316L
Aluminum grade: 6061, 6063
Brass: Hpb58-2.5 (C38000), Hpb59-1 (C37710), Hpb61-1 (C37100), Hpb62-0.8 (C35000), Hpb63-0.1 (C34900), Hpb63-3 (C34500), H60, H62, H63, H65

 
Diameter Ø0.3-Ø25
Diameter tolerance 0.002mm
Roundness 0.0005mm
Roughness Ra0.05
Straightness 0.005mm
Hardness:  HRC/HV
Length 2mm-1000mm
Heat treatment 1. Oil Quenching
2. High frequency quenching
3. Carburization
4. Vacuum Heat treatment
5. Mesh belt CZPT heat treatment
Surface treatment 1. Plating nickel
2. Plating zinc
3. Plating passivation
4. Plating phosphating
5. Black coating
6. Anodized treatment
Package Plastic bags inside and standard cartons outside.
Shipment by pallets or according to customer’s packing specifications.
Warranty Policy We confirm our qualities satisfy to 99.9%, and have 6-month quality warranty 
After Sales Service We will follow up the requst strictly for customers and will help customers solve problems after sale. 

Swiss High-Precision CNC Machining Process

 

Other Category From Cold Forging Process

Company Profile

HangZhou CHINAMFG is an integrated manufacturing and trading enterprise with over 30 years of experience. We specialize in providing customized solutions for non-standard fasteners, CNC machined parts, stamping parts, and other metal products. With a sprawling facility covering an area of 5,500 square meters, we have 3 workshops including cold heading, stamping, and cnc machining. 

At Hanyee Metal, we take pride in our commitment to delivering high-quality products and tailor-made solutions to meet our customers’ specific needs. Our team of skilled professionals ensures precision and CZPT in every aspect of the manufacturing process. Whether it’s fasteners for unique applications, intricately machined parts, or precision-stamped components, we have the capabilities to exceed your expectations.

Hanyee’s products exporting to more than 30 countries, especially in North American and European markets. Being the supplier for famous brands like : ITW, Ruen, Infenion, WMG,Fnox, ects. many years. 

inspection

Exhibiting

Customer reception

Packaging and transportation

 

Customer feedback

FAQ

Q: Please send your price list for our reference.

A: We do not have standard price list because we produce according to customer design.
We can provide the quotation for your inquiries in a shortest possible time.

Q:Please quote the price for me
A: Our standard response time is 2 working hours, once you confirm the demand and drawing we shall provide the quote within 12 working hours.

Q:Can I get some sample?
A: Sure. We believe sample order is a good way to start our cooperation.
  If it is a standard product, it would be for free but freight on your account.
  If customized, we shall prepare the sample after receipt of development cost.

Q: Have FASTENERS 100% assembled well in stock?
A: Some of standard size is in stock. Most is OEM item out of stock.

Q: Could I use my own LOGO or design on goods?
A: Yes, Customized logo and design on mass production are available.

Q: What is the delivery time?
A: Our lead time for samples is 1 week; 15-30 days for mass production. It is usually according to the quantity and items.

Q:What payment do you accept?
A: We accept T/T, West Union,L/C,Trade Assurance in Alibaba.

Q: Can I trust you?
A: Absolutely! We are “Made In China” & “Alibaba” verified supplier.

Q: May I visit your factory?
A: You are welcome to visit us anytime. We can also pick you up from nearest airport and Train station.

 

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Material: Carbon Steel
Load: Drive Shaft
Stiffness & Flexibility: Flexible Shaft
Journal Diameter Dimensional Accuracy: 0.005
Axis Shape: Straight Shaft
Shaft Shape: Stepped Shaft
Samples:
US$ 10/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

screw jack

How do screw jacks handle challenges like load imbalance or uneven surfaces?

Screw jacks are designed to handle challenges such as load imbalance or uneven surfaces through various mechanisms and features. Here’s how screw jacks address these challenges:

  • Load Imbalance: Screw jacks can handle load imbalance by distributing the load evenly across multiple screw jacks. In applications where there is a significant load imbalance, multiple screw jacks can be used in a synchronized system. The synchronization ensures that each screw jack shares the load proportionally, preventing excessive stress on any individual screw jack.
  • Self-Locking: Screw jacks have a self-locking feature that allows them to hold their position without the need for continuous power or external braking mechanisms. This self-locking capability helps maintain stability and prevents the load from shifting even in the absence of power or during power loss.
  • Anti-Backlash Mechanism: To handle challenges related to backlash or unwanted movement caused by load imbalance or vibration, some screw jacks are equipped with anti-backlash mechanisms. These mechanisms minimize or eliminate the clearance between the screw and the nut, reducing the potential for backlash and ensuring precise positioning and stability.
  • Flexible Mounting Options: Screw jacks offer flexible mounting options, which allow for proper alignment and compensation on uneven surfaces. Mounting brackets or couplings can be used to adapt the screw jacks to different orientations or to compensate for variations in the mounting surface. This flexibility ensures that the screw jacks can be securely installed and adjusted to accommodate uneven surfaces.
  • Guidance Systems: In some cases, screw jacks may incorporate guidance systems to improve stability and alignment. These guidance systems can include linear guides or rails that guide the movement of the screw, ensuring smooth and accurate operation even when dealing with load imbalance or uneven surfaces.

By employing these mechanisms and features, screw jacks can effectively handle challenges related to load imbalance or uneven surfaces. They provide stability, precise positioning, and the ability to distribute loads evenly, making them suitable for a wide range of applications even in demanding environments.

screw jack

What are the common signs of wear or issues that might require screw jack maintenance?

Regular maintenance is important for ensuring the proper functioning and longevity of screw jacks. It helps identify and address potential issues before they escalate into more significant problems. Here are some common signs of wear or issues that might indicate the need for screw jack maintenance:

  • Unusual Noise: If a screw jack starts producing unusual noises during operation, such as grinding, squeaking, or knocking sounds, it could indicate a problem. These noises may be a result of worn or damaged components, inadequate lubrication, misalignment, or other mechanical issues. Prompt maintenance is necessary to diagnose and resolve the source of the noise.
  • Increased Friction: If the movement of the screw jack becomes more difficult or requires excessive force, it could indicate increased friction within the mechanism. This may be caused by insufficient lubrication, contaminated lubricant, or worn components. Addressing the friction issue through maintenance, including lubrication and inspection of components, is important to prevent further damage and ensure smooth operation.
  • Excessive Play or Backlash: Excessive play or backlash refers to unwanted movement or looseness in the screw jack assembly. It can occur due to worn or damaged components, improper assembly, or misalignment. Excessive play can negatively impact the precision, stability, and load-bearing capacity of the screw jack. Maintenance should be conducted to identify the cause of the play and rectify it to restore proper functionality.
  • Irregular Movement: If the screw jack exhibits irregular or jerky movement instead of smooth and consistent operation, it may indicate issues with the drive mechanism, misalignment, or worn parts. Irregular movement can affect the performance and accuracy of the screw jack, potentially leading to safety hazards or reduced efficiency. Maintenance is necessary to diagnose and address the underlying causes of irregular movement.
  • Leakage or Seal Damage: Screw jacks equipped with hydraulic or lubricant-filled systems may experience leakage or seal damage over time. Leakage can result in a loss of lubrication or hydraulic fluid, leading to inadequate lubrication, reduced performance, or system failure. Regular inspection and maintenance of seals, gaskets, and fluid levels are necessary to identify and rectify any leaks or seal damage.
  • Visible Wear or Damage: Physical inspection of the screw jack is essential to identify visible signs of wear or damage. This may include worn threads, cracked or damaged housing, bent or misaligned components, or signs of corrosion. Any visible wear or damage should be addressed through maintenance to prevent further deterioration and ensure safe and reliable operation.

Regular inspection and maintenance are crucial to detect and address these signs of wear or issues promptly. It is recommended to follow the manufacturer’s guidelines for maintenance intervals and procedures to ensure the optimal performance and longevity of screw jacks.

screw jack

Can you explain the basic principle behind the operation of a screw jack?

The basic principle behind the operation of a screw jack is the conversion of rotational motion into linear motion. A screw jack consists of a threaded shaft, known as the screw, and a nut that engages with the screw’s threads. When the screw is rotated, it moves the nut linearly along its threads, resulting in linear displacement. Here are some key points regarding the basic principle of operation for a screw jack:

  • Rotational Motion: The operation of a screw jack begins with the application of rotational motion to the screw. This can be achieved through various means, such as manually turning a handle, using an electric motor, or employing hydraulic or pneumatic systems. The rotational motion is typically applied to the top end of the screw.
  • Threaded Shaft: The screw in a screw jack is a threaded shaft with helical grooves running along its length. The threads can be either square or trapezoidal in shape. The pitch of the screw refers to the distance traveled along the screw’s axis for each complete revolution. The pitch determines the linear displacement achieved per rotation.
  • Nut Engagement: The nut is a component that engages with the screw’s threads. It is typically a cylindrical or rectangular block with a threaded hole that matches the screw’s threads. The nut is free to move linearly along the screw’s length when the screw is rotated.
  • Linear Motion: As the screw is rotated, the nut moves along the screw’s threads, causing linear displacement. The direction and magnitude of the displacement depend on the rotational direction and the pitch of the screw. Clockwise rotation typically results in upward linear displacement, while counterclockwise rotation leads to downward displacement.
  • Mechanical Advantage: One of the advantages of a screw jack is its ability to provide a mechanical advantage. The pitch of the screw determines the distance traveled per revolution. By increasing the pitch or using multiple-start threads, the linear displacement achieved per rotation can be increased, allowing for the lifting or lowering of heavier loads with relatively less rotational effort.
  • Self-Locking: The friction between the screw and the nut helps to maintain the position of the load once the rotational force is removed. This self-locking characteristic of screw jacks allows them to hold loads in position without requiring continuous power or external braking mechanisms.

In summary, the basic principle behind the operation of a screw jack involves the conversion of rotational motion into linear motion. By rotating the screw, the nut moves along the screw’s threads, resulting in linear displacement. The pitch of the screw determines the distance traveled per revolution, and the self-locking nature of the screw and nut interface helps maintain the position of the load.

China Hot selling Swiss CNC Machine Motor Shaft for Sewing Machine Parts   screw shaft condition monitoringChina Hot selling Swiss CNC Machine Motor Shaft for Sewing Machine Parts   screw shaft condition monitoring
editor by Dream 2024-05-13

China Good quality China factory low speed high torque 60w waterproof dc motor with gearbox for sewing machine helical worm gearbox

Warranty: 12months
Design Number: D76LR
Use: Property Equipment
Kind: Equipment MOTOR
Torque: 10NM
Development: Permanent Magnet
Commutation: Brush
Protect Characteristic: Drip-evidence
Velocity(RPM): 80rpm
Continuous Existing(A): 2(A)
Performance: IE 1
Merchandise Identify: DC WORM Equipment MOTOR
DAIMETER: 76mm
Rated Voltage: 24VDC
Electrical power: 120W
Speed: 80rpm
Packaging Specifics: Carton packaging for stepping motor name85
Port: HangZhou

Item Overview China manufacturing facility lower pace large torque 60w watertight dc motor with gearbox for sewing machineApplication:welding machine, electrical house, CZPT machinery, place of work intelligent products, resort leisure, antomated equipment and so on. Motor Voltage: DC12V, 24V,42V,48V,90V,110V ,300VMotor Rated Power:15W, 25W,30W,45W,65W, 95W,120W,50W,180WMotor no-load Pace:15RPM, 30RPM,60RPM,80RM,120RPM,150RPM,180RPM,200RPM,220RPM. Product Specs

Size of motordiameter 76mm
Voltage24V
No load velocity80±3RPM
No load recent≤2A
Nominal torque10Nm
Goods Applications Our Services
Quick ReplyAll enquiry or email be replied in 12 hours, no hold off for your business.
Professional CrewQuestions about products will be replied professionally, specifically, greatest tips to you.
OEM/ODMVoltage, speed, electricity, torque and size can be custom-made according to client needs. In addition, we can build molds anddevelop new products according to consumer demands.
Short Lead timeSample or little buy sent in 7-fifteen days, bulk or personalized order about thirty times.
Payment OptionT/T, Western Union,, L/C, and so forth, easy for your enterprise.
Before shipmentTake images, deliver to customers for affirmation. Only confirmed, can be shipped out.
Language OptionBesides English, you can use your possess language by e mail, then we can translate it.
Enterprise Card

Types of Vehicle Gearboxes

In a vehicle, there are many types of gearboxes available. There are planetary gearboxes, Coaxial helical gearboxes, and skew bevel helical gearboxes, among others. In this article, we’ll cover all of them and help you determine which type of gearbox would be right for your vehicle. Also, we’ll discuss how each differs from the others.
gearbox

planetary gearbox

A planetary gearbox is composed of three main components: a sun gear, an input bevel gear, and an output shaft. A planetary gearbox can have different output torques and ratios. The basic model of a planetary gearbox is highly efficient and transmits 97% of the power input. There are several kinds of planetary gearboxes, depending on the type of operation. In general, there are three types: the simple, the intermediate, and the complex.
The price of a planetary gearbox can vary a lot, and it’s important to know what you’ll need. Different manufacturers produce different planetary gearboxes, so check with a manufacturer to see what they have available. Make sure to check the quality of the planetary gearbox before making a final purchase. In addition, be sure to compare the prices and the availability of a particular product. A quality planetary gearbox will provide years of trouble-free operation and will not break your bank.
Planetary gears feature an integer number of teeth. Each planet has teeth that must mesh with its ring or sun. The number of planets, ring, and tooth count of each gear determine whether the teeth mesh. Some planets have fewer teeth than others, so they mesh better than others. However, compound planets can be more flexible and achieve higher reduction ratios. If you’re looking for a planetary gearbox for your next project, consider getting in touch with a manufacturer who specializes in this technology.
When it comes to construction, a planetary gearbox is no exception. It’s extremely important to choose the right planetary gear for your application, because an imbalance in the planet gear can cause increased wear and failure. Moreover, the compact size of a planetary gear ensures maximum heat dissipation. However, a planetary gear box may require cooling in some applications. A planetary gearbox will make your life easier, and it will give you years of trouble-free operation.

Straight bevel helical gearbox

The Straight bevel helical gearbox has a number of advantages, but it has a relatively short manufacturing process. Its most popular application is in the automotive industry, where it is used in many types of vehicles. Other applications include heavy and light equipment and the aviation and marine industries. Below is a brief introduction to this gearbox type. Read on to learn about its benefits. This type of gearbox is one of the easiest to manufacture.
The spiral bevel gear has larger teeth than straight bevel gears, resulting in a smoother, quieter rotation. It can handle high-speed heavy loads with less vibration. Spiral bevel gears are classified by their tooth form and cutting method. Straight bevel gears are easier to design and manufacture, but spiral bevel gears are more expensive. Both designs are suitable for high-speed, heavy-load operations, and general manufacturing applications.
In addition to being easy to install, the modular bevel gears have many advantages. They have an exceptionally high degree of interchangeability and feature the highest standards of component integrity. They can also be tailored to meet your specific requirements. The advantages of this gearbox type include high precision, optimum performance, and low noise. And because they are modular, they can be produced in a variety of finishes. These include stainless steel, titanium, and bronze.
Straight bevel helical gearbox manufacturers are committed to a high degree of precision in their designs. The radii, torques, and tooth profiles of straight bevel gears are more precisely measured than those of cylindrical bevel gears. The same calculations are used for all traditional bevel gear generators. This ensures that your 5-axis milled bevel gear sets have the same calculations and layout.
gearbox

Coaxial helical gearbox

The Coaxial helical gearbox is a highly efficient transmission system that is well suited for light-duty applications. Compared to spur-type gearboxes, the real pitch of a Coaxial helical gearbox is low at all helix angles. This is because the coaxial type has the same number of teeth and center gap as the spur gearbox. Coaxial helical gearboxes also have a smaller footprint and are compact.
Several nations have implemented lockdown regulations for Industrial Gearbox trade, threatening the global economy. Several factors have been implicated in COVID-19, including supply chain, market, and financial markets. Experts are monitoring the situation globally and project remunerative prospects for gearbox manufacturers after the crisis. This report depicts the latest scenario and offers a comprehensive analysis of COVID-19’s impact on the entire industry.
This Coaxial helical gearbox features a compact structure and high precision gear. Its three-stage design combines two-stage gears with a single-stage gear, forging high-quality alloy steel for high precision and durability. The gears are serially-designed for easy interchangeability. They are also available in high-frequency heat-treated steel. A Coaxial helical gearbox is the perfect solution for many applications.
Coaxial helical gearboxes have the added benefit of using cylindrical gears instead of shafts. They operate quietly, and have more surface area to interact with. Their fixed angles make them suitable for heavy-duty applications, like in conveyors, coolers, and grinders. Compared to other gearbox types, Helical gearboxes have higher power-carrying capacity. Listed below are the benefits of a Coaxial Helical Gearbox

Skew bevel helical gearbox

A Skew bevel helical gear box is a common type of industrial gearbox. These gearboxes are rigid and compact and can be used in a variety of applications. They are commonly used in heavy-duty applications such as grinding mills, conveyors, and coolers. They are used in many applications to provide rotary motions between non-parallel shafts. They also have the added benefit of high-efficiency in a variety of industries.
Skew bevel helical gear boxes are suitable for heavy loads and are monolithic in construction. This type of gearbox combines the benefits of bevel and helical gears for right-angle torque, which makes it a popular choice for heavy-duty applications. In addition to being a robust and reliable gearbox, these gearboxes are highly customizable and can meet almost any industrial need.
To maximize the efficiency of bevel gears, FE-based tooth contact analysis is used to develop a sophisticated geometry optimization algorithm. The software also allows users to define optimal flank topography by introducing application-specific weightings for specific load levels. With this data, a manufacturing simulation is conducted to determine the best variant. A robust variant combines the benefits of efficiency, load-carrying capacity, and low excitation behavior.
The helical gear can be angled at 90 degrees. This is similar to a spur gear but produces less noise. It can achieve a nine-to-one speed reduction with one stage. However, a helical gear requires a larger driver gear for higher reductions. This gearbox is suitable for speeds from 1:1 to three times. They are often used in the manufacture of motors and generators.
gearbox

Extruder helical gearbox

An extruder helical gearbox is one of the most common industrial gears. It is compact in size and low-power consuming, making it ideal for heavy-duty applications. Extruder helical gearboxes are suitable for a variety of industrial applications, including cement, plastics, rubber, conveyors, and coolers. In addition to its use in plastics and rubber manufacturing, this gearbox is also useful in other low-power applications such as crushers, coolers, and conveyors.
CZPT SG series Extruder Helical Gearboxes are available in Single Screw and Twin Screw Variations. These gears feature a compact design, high power density, and long service life. Axial bearing housing and thrust bearings are mounted on the input shafts. Extruder helical gearboxes can be installed in various positions, including horizontal, vertical, and inclined.
Helicoidal gears are often produced in a modular manner. This design provides multiple benefits, including engineering and performance advantages, modular production, and the highest level of component integrity. A single helical gearbox can be assembled into a larger gearbox if needed, but modular production ensures consistent performance and economy. This modular design is also cost-effective. It is a versatile and reliable solution for a wide range of applications.
In addition to its efficiencies, Extruder helical gearboxes also have a low noise profile. They have no squeal sounds, and they are silent when running. They can transfer more power than conventional gearboxes. This type of gear has been used in the manufacturing of high-quality plastic products for years. They are often used for applications in automotive transmissions. Aside from being quiet, helical gears have higher contact levels and lower vibration.

China Good quality China factory low speed high torque 60w waterproof dc motor with gearbox for sewing machine     helical worm gearboxChina Good quality China factory low speed high torque 60w waterproof dc motor with gearbox for sewing machine     helical worm gearbox
editor by czh

Best China manufacturer & factory factory in Kuwait City Kuwait manufacturer for High quality sliding door gear sewing machine gears transmission spare parts With high quality best price

Best China manufacturer & factory factory  in Kuwait City Kuwait  manufacturer for  High quality sliding door gear sewing machine gears transmission spare parts With high quality best price

we supply chromed bar and tubes for hydualic and pheumatic cylinders, pto shaft, agricultural gearboxes etc.

Overview

Quick Details

Applicable Industries:

Manufacturing Plant

Product Keywords:

sliding door gear

Supply Ability

Supply Ability:
5000 Piece/Pieces per Month

Packaging & Delivery

Packaging Details
Neutral paper packaging, wooden boxes for outer box or according to customer’s demand.
Port
Shanghai Port / Ningbo Port

Online Customization

Components: 1. Housing: Die-cast Aluminum Alloy Gearbox (RV025~RV090) Cast Iron Gearbox (RV110~RV150) 2. Worm Wheel: Wearable Tin (Stannum) Bronze Alloy, Aluminum Bronze Alloy 3. Worm Shaft: 20Cr Steel, carburizing, quenching, grinding, surface hardness 56-62HRC, 0.3-0.5mm remaining carburized layer after precise grinding 4. Input Configurations: Equipped with Electric Motors (AC Motor, Brake Motor, DC Motor, Servo Motor) IEC B5/B14 Motor Flange NEMA C Frame Motor Flange Solid Shaft Input 5. Output Configurations: Keyed Hollow Shaft Output Hollow Shaft with Output Flange Plug-in Solid Shaft Output 6. Options: Worm Shaft Rear Extension, Single Output Shaft, Double Output Shaft, Output Flange, Torque Arm, Dust Cover 7. Gearbox Painting: Aluminum Alloy Gearbox: After Shot Blasting, Anticorrosion Treatment and Phosphating, Paint with the Color of RAL 5010 Gentian Blue or RAL 7035 Light GClose up of two yokes with the universal joint. Note the slight oozing of grease from the UJ seal ends, the clump of grease is from inside the yoke splined shaft area –Drive (outer) yoke has a female (usual spline) hole and “Y” shape end that is the universal joint (UJ) mount. –UJ is a cross shaped casting having roller bearings enclosed with caps at all four points and is held into the yoke with four “C” clips –Inner yoke and drive shaft is another yoke welded to the drive end, of the drive shaft. –Driven shaft and inner yoke is the driven shaft that rides inside of the drive shaft and has a yoke welded at the driven end –UJ another UJ as aboverey

We Ever-Power Group with 4 branches over 1200 workers is one of the biggest transmission parts and machining items manufacturers in China factory manufacturer for  High quality sliding door gear sewing machine gears transmission spare parts

Product Description

Product Description:

We specialized in manufacturing automobile gears , motorcycle gears, gearbox, special vehicle (power takeoff, snowmobiles, engineering vehicles) gears, generator accessories, stainless steel ice crusher etc.

 

Material

  1020,1045,20CrMnTi, etc.

Machining Process

Gear Hobbing , Gear Shaping,  Gear Shaving, Gear Grinding

Modules

1.0, 1.25, 1.5, 1.75, 2.0, 2.25, 2.5….8.0 etc.

Heat Treatment

Carburizing & Quenching,  Carbonitriding

Standard

DIN, ISO/GB, AOur factory has obtained the certificate of China’s Farm Machinery Products Quality Authentication promulgated by the Farm Machinery Products Quality Authentication Centre of China. GMA, JIS,ISO/TS16949:2009

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Best China manufacturer & factory factory  in Kuwait City Kuwait  manufacturer for  High quality sliding door gear sewing machine gears transmission spare parts With high quality best price

Best China manufacturer & factory factory  in Kuwait City Kuwait  manufacturer for  High quality sliding door gear sewing machine gears transmission spare parts With high quality best price

Best China manufacturer & factory factory  in Kuwait City Kuwait  manufacturer for  High quality sliding door gear sewing machine gears transmission spare parts With high quality best price

Best China manufacturer & factory factory  in Kuwait City Kuwait  manufacturer for  High quality sliding door gear sewing machine gears transmission spare parts With high quality best price

Best China manufacturer & factory factory  in Kuwait City Kuwait  manufacturer for  High quality sliding door gear sewing machine gears transmission spare parts With high quality best price

Best China manufacturer & factory factory  in Kuwait City Kuwait  manufacturer for  High quality sliding door gear sewing machine gears transmission spare parts With high quality best price

Best China manufacturer & factory factory  in Kuwait City Kuwait  manufacturer for  High quality sliding door gear sewing machine gears transmission spare parts With high quality best price