... development,manufacture,process,assembling,sale,service.Specialized in Stainless Steel valves,pipe fittings,sanitary valves, fittings and various ... concrete demand. The material include Ferritic stainless steel such as 430, Austenite stainless steel such as 304(CF8), 304L, 316 ... Duplex stainless steel such as SAF2205, 3RE60, SAF2507, carbon steel, Malleable iron and so on. The main products cover the ...