1.Valves used in oil refining plant are mostly pipeline valves, mainly gate valves, globe valves, check valves, relief valves, ball valves, butterfly valves, steam traps, among which gate valve demand accounts for about 80% of the total number of valves

2.Large diameter and high pressure safety valves, relief valves, globe valves, gate valves, butterfly valves and flow control valves are required for hydropower stations

3.Steel industry mainly metal seal ball valve, butterfly valve and oxidation ball valve, globe valve

4.Town construction needs center line butterfly valve, metal seal butterfly valve

5.In the environmental protection system, the water supply system mainly needs the centerline butterfly valve, soft seal butterfly valve, ball valve, exhaust valve.The sewage treatment system mainly needs soft seal gate valve, butterfly valve.