... Steel AndOther Materials Available To OrderEnd Connection: Flanged, Screwed, Socket Weld Or Butt Weld OfferedLaminated ... stainless steel butterfly valveProducts: We can produce gate, globe, check, ball and butterfly valves ... with the standards of GB, ASME, ANSI, API, BS, DIN, JIS etc. We can offer ... inspecttion equipments have been employed in Shanghai Huatong Valve Co., Ltd. Based on the first- ...