Shanghai Bosin Drive Machinery Co., Ltd. is a modern enterprise specialized in the research and development, manufacture and sale of machinery drive parts. Bosin has gained a good reputation for superior quality and good service in the whole markets. We supply all kinds of drive parts to most equipment manufacturing factories. Our main products are plate spring couplings, nylon peg couplings, camber gear couplings, gimbal couplings, torque restrictors, keyless locking devices and others. We welcome domestic and international customers' inquiries and hope to cooperate with you.