Dalian Bo Tung Machinery Co., Ltd.   

Dalian Bo Tung Machinery Co., Ltd., located in the mountains of the United States, the United States, the United States, the more beautiful coastal city - Dalian. At present is in the south of Liaoning professional production and sales of various types of couplings, expansion sets, universal joint, torque limiter, an overrunning clutch, backstop, cross shaft universal coupling, ball cage type universal couplings transmission parts manufacturers.