Shanghai Bosin drive machinery co.Ltd is modern enterprise, its specialist for research and development, manufacturer and sales drive machinery, Since the company was established, relied on the high quality products and good service have won a good reputation in the market . We supply our products for most power driven industrial equipment .The main products include keyless locking device, coupling, torque restricter, backstop and ***** are mainly used in mining, metallurgy, automobiles, paper, printing, packaging, textile, chemical , electric power and other industries. We have been creating new markets, both domestic and international. Wishing you everlasting prosperity and good cooperations, always, your relationships and closer contacts will greatly be appreciated.