The distribution of the valve market, mainly based on the construction of the project, the largest users of the valve is petrochemical industry, power sector, metallurgy sector, chemical industry and urban construction departments. Petrochemical industry mainly apply API standard gate valve, globe and check valves; electricity industry mainly use high pressure gate valves, low pressure cut-off valve, check valve and safety valve and some water supply and drainage valve and butterfly valve, gate valve; chemical industry mainly uses stainless steel gate valve, globe valve, check valve; metallurgical industry mainly uses low-voltage large-diameter butterfly valves, oxygen shut-off valve and oxygen ball valve; urban construction mainly use low-pressure valve, such as the urban tap water pipe mainly use large diameter gate valve; building construction mainly use midline butterfly valve, urban heat-supply mainly use metal sealing butterfly valve; pipeline mainly apply flat gate valve and ball valve; pharmaceutical industry mainly uses stainless steel ball valve; food industry mainly uses stainless steel ball valve.