We specialize in producing many types of valves and pumps according to jis , din, api, ansi, gb standard.and have got the bv, abs, ccs, dnv certification .our main products include globe valve, check valve, gate valve, air-operated double-diaphragm pimp, air-operated piston pump and so on. the main materials are cast iron, ductile iron, cast steel bronze , brass and stainless steel.