Comprehensive agent of various gate valves, globe valves, check valves, butterfly valves, ball valves, American standard valves, solenoid valves, flat gate valves, hydraulic control valves, regulating valves, safety valves, liquid level instruments, etc. 10 series of more than 1600 varieties, users Covering thermal power, petroleum, chemical industry, metallurgy, shipbuilding, urban construction and other fields.