... valvesProducts: We can produce gate, globe, check, ball and butterfly valves with the materials of ductile iron, carbon steel, alloy steel ... , API, BS, DIN, JIS etc. We can offer special standard valves to our clients on your request.Certificates: We have held ... view the ISO 9001 as the minimum standard to maintain.Quality: A larger number of advanced mechanical facilities and inspecttion equipments ...