We have been mainly engaged in the production of flexible jaw-type couplings, flexible discs/diaphragm couplings, locking nuts and clamping sets since 1990's. We focus on the research of diaphragm flexibility, metal finishing, mechanical manufacture and rotation balance. With a high-quality control system, and ISO9001 standard as the core, our products are applied to numerical control machines, textile machinery, instruments, pump industry, printing and packing machinery, dynamic facilities ...