Thien Truc Engineering Co. Ltd specializes in providing fittings and piping and different types of valves, such as: butterfly valve, gate valve, ball valve, regulator, actuator, etc. We are committed to continually developing, building long term partnerships and assisting highly accredited clients among our peers.Thien Truc Engineering Co. Ltd specializes in providing fittings and piping and different types of valves, such as: butterfly valve, gate valve, ball valve, regulator, actuator, etc. We are committed to continually developing, building long term partnerships and assisting highly accredited clients among our peers.