BST Mechanical Co.,Ltd ,Website:http://www.pushincoupling.com, was established in 1990, and has been in the field of making air push in couplings, nylon tubes, trailer cables and other auto parts . We have 300 experienced workers ,and our total annual amount is 50 Million USD. We have been in cooperation with these companies as below : Dongfeng Motor Company Limited , Shaanxi Automobile Group, Suzhou Higher Bus Co.,Ltd . All of our products are widely used in European trucks ,Russia Heavy-duty trucks, American & Japanese Commercial Vehicles,such as Mercedes , Volvo, Man, Scania , Kamaz . We are located at Zhuji city ,Zhejiang Province ,China. It is 200 KM west of Shanghai . Welcome to contact me for the more details .