... supplier for stainless steel tubes, pipe fittings, flanges, valves and stud bolts, etc. in China. Starting the business in 2007, ... devoted to providing the best solutions of stainless materials and industrial equipment for our respected customers. Nowadays, we ... 347H, 317L, ... SpecificationStainless Steel Sanitary Check Valves Welded and Clamp Part contacted with media: AISI 304/316LOutside polish: ...