... the manufacture of ss pipe fittings stainless steel 304/316 quick connector 1.we are the manufacture of stainless steel products in ... ANSI ,ASTM standard's products .4.we could produce acc to customers' drawings and samples .Cangzhou qiancheng Stainless Steel Products ... experiment production line.The products are designed and manufactured according to international standards such as ANSI,API,DIN,BS,GB, ...