A professional manufacturer of couplings and locking assemblies with 25 years of experience
With Precision Craftsmanship, Technological Innovation and Full-cycle Services, We Deliver Reliable Transmission Connection Solutions for Customers

Over 20 years deep in the industry, with profound factory foundation, mature process system, large-scale production capacity and solid product reputation.
Full range of couplings and locking assemblies with rich specifications, customizable non-standard products to fit various machinery application scenarios.

Adhering to standardized quality systems, precision machining for high-performance products, wear-resistant and deformation-resistant, suitable for complex working environments.
Professional team provides selection guidance, efficient delivery, supporting after-sales technical support, ensuring stable equipment operation throughout.
Tel:15921075907
JMJ Compact Metal Diaphragm Flexible Coupling
JMZ Enlarged Size Metal Diaphragm Flexible Coupling
JMY Reduced Bore Metal Diaphragm Flexible Coupling
JMS Bidirectional Metal Diaphragm Flexible Coupling
JMD Unidirectional Metal Diaphragm Flexible Coupling
Couplings and Locking Assemblies – Complete model range, OEM orders welcome.
The localization of precision transmission components accelerates, ushering in new opportunities for high-end couplings
With the upgrading of domestic manufacturing industry toward high-end and precision, the localization substitution process of precision transmission parts has accelerated significantly. Especially in ···
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Customized Demand Continues to Rise, Flexible Production Empowers the Development of Transmission Enterprises
As industrial production scenarios become more diversified, refined and specialized, traditional standardized transmission products can no longer meet the adaptation needs of all equipment. More and m···
View Details>Yes. Liyang Weilian Transmission Machinery Co., Ltd. provide···
Liyang Weilian Transmission Machinery Co., Ltd. warrants all···
What misalignment is allowed for metal diaphragm couplings?A···
Common causes: bolts not torqued properly, oily/dirty surfac···
Selection is based on six key parameters: transmitted torque···