T-ONE-S (MFG) TRADING ING was founded in 1968 in Taiwan specializing in worldwide valve export. We supply various valves, flanges, and boiler fittings, which can be used in metal industrial applications for petroleum, chemical, metallurgy, electric power, construction, heating, water supply and drainage, water treatment, pulp, paper dyeing and finishing.

They have many types of valves such Ball valve, Butterfly valve, Check valve, Cylinder control valve, Diaphragm valve, Electrical actuator, Expansion joint, Float Ball valve, Gate valve, Globe valve, Needle valve, Pneumatic actuator, Pressure reducing valve, Pipe fitting, Safety relief valve, Solenoid valve, and Wafer check valve, with different kinds of material in Bronze, Brass, Cast Iron, WCB and stainless Steel as well. All products have interfaces that conform international standards.