... 304, 3163. widely used in hose connectingQiancheng Stainless Steel Products Co.,Ltd, situated in foundry country of china---Cangzhou city, ... fine technique, could produce all kinds of stainless steel and carbon steel pipe fittings,including couplings, nipples, valves, elbows, ... manufacturers and wholesalers from domestic and foreign markets to co-operate with us on mutual business relationship base. ...