China Coupling Manufacturers Suppliers Factory - Customized Coupling Made in China

One-stop solutions for all your automation needs

As an emerging high-tech transmission enterprise, Zhejiang Jiesheng Transmission Co., Ltd. leverages years of expertise in coupling manufacturing to achieve comprehensive coverage across the entire chain of R&D, production, sales, and service.

Occupying a 4,000-square-meter facility, the company has assembled a professional team with deep experience in mechanical automation design, full-process automated manufacturing, precision inspection, and core technology R&D. Through dedicated focus and technological accumulation, we provide customers with reliable integrated solutions for automated transmission systems.

Stepper Motor Shaft Connector
This stepper motor shaft connector is precision-machined from high-quality alloy steel, with an applicable stepper motor shaft diameter range of φ3-φ20mm. It operates stably and reliably, effectively
Spring Loaded Shaft Coupling
This Spring Loaded Shaft Coupling is specially designed for precision automation equipment, testing instruments and micro transmission systems. Precisely processed from high-strength metal materials,
Joint Shaft Coupling
This Joint Shaft Coupling is specially designed for multi-angle and long-distance shaft connection transmission. Precisely manufactured from high-strength alloy materials, it features stable
High Torque Flexible Coupling
This High Torque Flexible Coupling is specially designed for heavy-duty servo transmission and high-power automated equipment. It is precisely assembled with hard anodized aluminum alloy hub and
Flexible Plum Coupling
This Jaw Flexible Coupling is specially designed for servo motors, stepping motors and small and medium-sized automatic transmission equipment. It is precisely assembled with hard anodized aluminum
Flexible Shaft Connector
This Flexible Shaft Coupler is specially designed for micro precision transmission and low-speed servo testing equipment. Precisely processed from integrated 6061 aluminum alloy with laser slitting,

What is a coupling?

A coupling is a core component in mechanical transmission that connects the driving shaft to the driven shaft. Its primary function is to transmit torque and transfer power, while also compensating for misalignment between the two shafts during installation or operation (such as offset or tilt). It buffers vibrations, reduces impact, and certain types also provide overload protection.

Why Choose Us

Precision Transmission

Virtually zero backlash ensures accurate rotation without deviation, meeting positioning demands for both machine tools and high-precision equipment.

Accept ODM/OEM Service

Offers both flexible and rigid models, with customization options based on your equipment dimensions and application scenarios. Suitable for common uses like machine tools and automated equipment

Exceptional Durability

Crafted from premium materials like bearing steel and stainless steel, with special hardening treatment for superior wear resistance and impact toughness—built to withstand daily use without failure.

Worry-Free Service

Dedicated engineers assist with model selection and provide end-to-end technical support. Includes a 12-month warranty with ongoing troubleshooting assistance—no need to fret about after-sales support.

Advantages of Coupling

Power Transmission:
Couplings efficiently transfer rotational power from one shaft to another, enabling smooth and reliable operation of connected machinery.

Misalignment Compensation:
Flexible couplings can compensate for misalignment between shafts, preventing stress on connected equipment and reducing the risk of premature wear and failure.

Vibration Reduction:
Many couplings, especially flexible ones, can absorb and dampen vibrations, protecting equipment and reducing noise levels.

Shock Absorption:
Some couplings are designed to absorb shocks and impacts, protecting machinery from sudden jolts and overloading.

Easy Installation:
Certain coupling designs, like jaw couplings, are easy to install and require minimal maintenance, making them suitable for various applications.

Flexibility in Design:
A wide range of coupling types and materials are available, allowing for customization and optimization for specific applications.

Reduced Wear and Tear:
By absorbing vibrations and shocks, couplings minimize wear and tear on connected components, extending their lifespan.

Application of Coupling

Power generation and transmission: Couplings connect turbines to generators, generators to transformers, and transformers to transmission lines.

Oil and gas: Couplings connect pumps, compressors, and other rotating equipment in oil and gas production and processing facilities.
Mining: Couplings connect conveyors, crushers, and other rotating equipment in mining operations.

Manufacturing: Couplings connect motors, gearboxes, and other rotating equipment in a wide variety of manufacturing applications.

Transportation: Couplings connect engines to transmissions, transmissions to axles, and axles to wheels in cars, trucks, and other vehicles.

Robotics: Couplings connect motors to joints in robots.

Medical devices: Couplings connect motors to impellers in pumps and other medical devices.

Industrial machinery: Couplings connect the shafts of motors, pumps, compressors, and other industrial machinery.

Automotive applications: Couplings connect the shafts of engines, transmissions, and differentials in cars and trucks.

Aerospace applications: Couplings connect the shafts of engines, propellers, and other components in aircraft and spacecraft.

Marine applications: Couplings connect the shafts of engines, propellers, and other components in ships and boats.

Specification

Product Name	Coupling
Material	Aluminium Alloy
Inner Diameter (d1~d2)	5-32mm
Model	GC,GL,GX
Product Packing	A. Plastic bags in boxes or wooden crates. B. According to customer's request. We can provide shipping information to customers at any time.
Delivery time	3~7 days for sample order, 15~20 days for bulk order. Depends on actual shipping situation.

Types of Coupling

Flexible Couplings

Jaw Couplings: Commonly used in general-purpose applications, jaw couplings provide flexibility and dampen vibrations.

Gear Couplings: Ideal for high torque applications, gear couplings offer exceptional misalignment compensation and torque transmission capabilities.

Diaphragm Couplings: Known for their high torque capacity, diaphragm couplings are suitable for precision positioning and low backlash requirements.

Disc Couplings: Designed for high-speed applications, disc couplings provide torsional stiffness and excellent misalignment compensation.

Rigid Couplings

Sleeve Couplings: Also known as rigid couplings, sleeve couplings provide a solid connection and precise alignment between shafts.

Clamp Couplings: Featuring a split design with clamping screws, clamp couplings offer ease of installation and secure shaft connections.

Fluid Couplings

Hydraulic Couplings: Utilizing hydraulic fluid, hydraulic couplings transmit torque and provide overload protection in heavy-duty applications.

Pneumatic Couplings: Employing compressed air, pneumatic couplings offer torque transmission and rapid disconnection capabilities.

Packaging and Transportation

Packaging Protection

Each coupling undergoes rust prevention treatment (rust-proof oil spray + rust-proof film wrapping) before being individually wrapped in bubble wrap or bubble film. Outer packaging consists of rigid cardboard boxes or custom wooden crates (for bulk orders), with cushioning added to critical areas to prevent impact damage and moisture exposure during transit. Exterior boxes clearly display model, specifications, and “Keep Dry,” “Handle with Care,” and “Light Handling” labels for efficient sorting and handling.

Transportation Assurance

Domestic orders utilize dedicated professional logistics routes with stable transit times (typically 3-5 days). Bulk orders qualify for full truckload shipping. International orders partner with reliable cross-border carriers, providing customs clearance documentation and full shipment tracking. Expedited shipping can be arranged for urgent domestic or international orders to ensure timely delivery.

Extra Peace of Mind

Packaging costs are fully included in product pricing with no additional charges. Should packaging damage or product defects (non-human-caused) occur during transit, contact our after-sales team with logistics proof for coordinated returns, replacements, or reshipments—no hassle for you.

FAQ

Q: Does your company provide customised service?

A: Yes, we can provide customised design and production services according to customer's specific needs (e.g. size, torque, rotational speed, environmental requirements, etc.) to ensure that the products fully meet your application scenarios.

Q: What do I need to pay attention to when installing single diaphragm couplings?

A: When installing the single diaphragm coupling, you need to make sure that the deviation of the centre of the two shaft ends is within the permissible range, fix the bolts according to the instructions and tighten them evenly, avoid overload or eccentric operation, check the status of the diaphragm and the connecting parts regularly, and contact the technical support in time in case of any abnormal vibration or abrasion.

Q: If I purchase a lot at one time, can I get a price discount?

A: Of course, for customers who purchase large quantities, we will give the corresponding price concessions according to the purchase volume.

Q: How to ensure that the quality of products meets the standard?

A: With the help of cutting-edge production equipment and strict quality management system, we control every link from raw material to finished product sampling, in order to present excellent quality couplings that meet high standards for our customers all over the world.

Q: How long does it take to ship a regular model of joint shaft coupling?

A: The delivery time depends on the order quantity and stock status, you can contact the customer service manager to confirm the specific period.

Q: What are the main areas covered by your products?

A: Our products sell well in many regions around the world, like East Asia, West Asia, North Africa, South Africa, North Europe, South Europe, the Caribbean, Latin America, Australia and the Pacific Islands, etc., and we have a wide market share in these places.

Q: How to calculate the customisation cost?

A: The cost of customisation is based on the complexity of the customisation, the cost of materials and the difficulty of the production process. We will provide you with a detailed evaluation and a clear quotation to ensure that the price is reasonable and transparent, with no hidden charges.

Q: Do you provide samples? Is it free or extra?

A: We can provide samples, for small batch samples, we don't charge sample fee, but you need to pay the shipping cost incurred by the sample transport.

Q: What is the scale of the company's production of flexible motor couplings?

A: We have a large-scale production base, a number of automated production lines, the monthly production capacity is considerable, whether you are a small trial, or large-scale procurement, can be a quick response, on-time delivery.

As one of the leading coupling manufacturers and suppliers in China, we warmly welcome you to wholesale customized coupling made in China here from our factory. For quotation, contact us now.

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