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 41 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 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, 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 Valve and Electric Actuator. Established in 1989, Sino-Thai Metal Casting Co., Inc. in Thailand specializes in producing St.St. Pipe Fittings, Flanges and St.St. Valves.



Our company does not only supply “317” valves, "mit-UNI-D-cns" solenoid valves/electric actuator 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.



Customer satisfaction with our products is important to us. We keep continuously to strength the efficiency and fluent system of production for customer needs.





UNIWU Group



Established in 1968, is the professional manufacturer and exporter with 41 years experience of various VALVES and PIPE FITTINGS, FLANGES, BOILER PARTS and STEAM accessories etc. Mr. T.C. Wu, a president of the Group, has a wide professional knowledge of general industry valve is leading successful network.



317 Brand – major brand valves have a professional and good reputation with highly product performance in the market. OEM is welcome by customer’s request.





UNIWU Group manages



T-ONE-S (MFG) TRADING INC.

Searching, manufacturing, and exporting various valves, fittings, flanges, boiler parts, air control unit and steam assortment with good shipping arrangement.



PRO UNI-D CORPORATION
A solenoid valves & electric actuators is specialized leading manufacturer in Taiwan.



SINO-THAI METAL CASTING CO., INC.

A St.St. pipe fittings and flanges emphasized manufacturer in Thailand.





l Valve Products

Thermodynamic Steam Trap, Safety Relief Valve, Solenoid Valve, Electric Actuator, Pneumatic Valve,Pressure Reducing, Ball, Gate, Globe, Check, Butterfly, Floating, Sight Glass, Needle, Wafer Check, Diaphragm Control, Cylinder Control, Y-Strainer, Water Gauge Ball Cock & Valve, Air Vent, Bellows & Expansion Joint, Flexible Joint, Pressure Gauge, F.R.L. Combination, St.St.Tube & High Pressure #3000 #6000 #9000 Fittings, St.St. Class 150 Pipe Fittings & Flanges.



l Materials & Specification

BC, FC, FCD, CF8, CF8M.

Screwed End according to BS21, ANSI B2.1 or DIN-259, DIN-2599.

Flange End according to JIS 10K, ANSI 150LBS/300LBS, and DIN PN10/PN16.