stainless steel ball valves, check valves, pipe fittings, hardware, motorcar fittings and so on, by stainless steel 304, 316 material qualities primarily, and may produce material quality products and so on the WCB, 316L, 40Cr. The product specification is DN8~DN100 The valve structure is divided 2 piece of types, 3 piece of type three kinds, the connection way for the thread, the flange, and so on, Standard can be Chinese national standard, ASTM, DIN, and JIS.
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