T-ONE-S (MFG) TRADING INC., established in 1968, is the professional manufacturer and export of various VALVES and PIPE FITTING, FLANGES, BOILER PARTS and STEAM accessories etc., for more than 47 years.

Leading by Teng-Chien Wu, the Company’s president has the wide professional knowledge of general industry valve. Product lines are extended in company for offering more customers products research needs.

T-ONE-S (MFG) major products include Bronze, Brass, Cast Iron, WCB, Stainless Steel valves such as Safety, Ball, Gate, Globe, Check, Butterfly, Float, Needle, Reducing, Wafer Check, Diaphragm & Cylinder Control Valve, Solenoid Valve, Electrical Actuator, Pneumatic Actuator, Pipe Fitting, Tube Fitting and Flange. Screw ends conforms to BSPT, NPT and DIN specification, while Flange ends conform to JIS, ANSI, BS 4504, PN10, PN16 Standard.

To provide high quality, competitive prices and prompt delivery, we have invested to our expansion. Established in 1988, Pro Uni-D Corporation in Taiwan specializes in Solenoid Valves and Electric Actuators. Established in 1989, Sino-Thai Metal Casting Co., Inc. in Thailand specializes in producing St.St. Pipe Fittings, Flanges and Valves.

Our company does not only supply “317”, "mit-UNiD-cns" products, we also research the relevant products for customer needs. OEM is certain welcome to request. All efforts are directed to building on our reputation for superior product performance and reliability.