CUSTOMPARTS.FAST TURNAROUND. RELIABLE QUALITY
Flexible workshop, 1S09001 certified, ready for drawing-based and OEM manufacturing.
Manufacturer of Shaft Collars, Rigid Shaft Couplings,
& Problem-Solving Components
Product Categories
Precision parts, custom-made to fit your machines.
About Dingjian
Dongguan Dingjian Precision Transmission Machinery Co., Ltd. is a manufacturing enterprise specializing in the production, research and development, and sales of transmission components. It is located in Houjie Town, Dongguan. Currently, the company has obtained ISO9001 quality management system certification.
The company mainly produces transmission components such as precision small universal joints, precision couplings, expansion sleeves, diaphragm couplings (high torque type)
Certified Farm
Quality Backed By Certifications
High quality
High Quality and Reliability
Why choose Us-Precision. Performance. Partnership
A focused overview of our key strengths—precision manufacturing, customization, certified quality, and global support—designed to help
you choose a reliable transmission partner.
Custom Engineering Solutions
Rapid Response & Global Service
Certified Quality Management
Trusted by Industry Leaders
Advanced Production Equipment
Rapid Prototyping Capabilities
Engineering Support
Precision Transmission Components
Industries Served
We provide precision transmission components for a wide range of industries, supporting complex mechanical systems with
high-performance couplings, joints, and custom parts. From automation and robotics to medical and aerospace applications,
our solutions are trusted wherever reliability and precision are critical.
Automation Equipment
Used in precision positioning, servo drives, and robotics for torque transmission with minimal backlash.
Machine Tools
Connects spindles and motors, compensates for misalignment in CNC machines, milling, grinding, and lathes.
Valve control systems
Our high-precision clutches deliver optimal torque control and minimal starting torque, ideal for injection valves, control valves, and precision mechanisms requiring exact motion.
Medical Technology
High‑precision couplings for dust‑free, high‑accuracy systems in CT, MRI, and robotic medical devices
Aerospace
In aerospace production, high‑precision couplings are essential for torque transmission between structural components — ensuring reliability under extreme conditions.
Precision & Quality
We offer a comprehensive range of shaft couplings, safety couplings, and quick couplings engineered for maximum load capacity and precise torque transmission. Leveraging advanced machining technology, our couplings ensure minimal manufacturing tolerances and optimal torsional rigidity for high-performance applications.
Technology and R&D
We has many patented products. To introduce these products into the market, we conduct experiments that assume actual operating conditions. Our R&D is supported by the latest verification technologies.
Couplings production & quality assurance
High-Precision Manufacturing for Maximum Performance
As a specialized clutch manufacturer, we utilize advanced machining technologies to produce backlash-free, long-lasting coupling systems. Our precision manufacturing processes minimize internal stress, ensuring extended service life and wear-free operation. With fast delivery and custom-engineered solutions, our couplings are the preferred choice for high-demand industrial applications.
Certified Quality Assurance at the Highest Level
Every clutch undergoes rigorous, multi-stage quality control to ensure maximum performance and reliability. Our ISO 9100-certified processes guarantee consistent quality and optimal functionality — making them ideal for critical applications that demand the highest precision.
Contact us for your coupling solution
As a trusted manufacturer of precision transmission components, Dingjian specializes in high-precision shaft couplings,
safety couplings, and quick-release couplings designed for demanding industrial applications.
Our engineering team is ready to provide expert consultation and help you identify the ideal solution tailored to your specific requirements.
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Get in Touch with Our Experts
From standard couplings to custom parts,we’re ready to deliver your solution.
Detailed information is greatly helpful for us to give you the best-customizedoffer/quotation at the soonest time.