Dongjia CO.

Company Description

The company was established in 1998, which is a technological professional valve manufacturer. The company provides high & medium pressure ball valves, butterfly valves, parallel gate valves, gate valves, knife gate valve,globe valves, check valves and poDongjia CO.r station valves for petroleum, chemical engineering, metallurgy, light industry, power station, city building, water supply system, oil transportation, gas feeding, natural gas and long distance transportation pipes projects.