We are TIANYUNXING IMP.&EXP. CO., LTD, which is approved by the Foreign Economic Trade Ministry of the Peopleâ??s Republic of China, handling the business of import and export butt weld stainless steel pipe fittings, carbon steel pipe fittings and valves. We can manufacture pipe fittings according to ANSI/ASTM, JIS, DIN, API, GOST and non-standard. The sizes are 1/2" up to 24" for seamless, 26â?? up to 72â?? for welded, 1/2â?? up to 12" for valves. Our products have been widely used in contruction, oil field, water treatment, metallurgy, pipe lines, chemical industry and so on.