Company Profile

       T-ONE-S (MFG) TRADING INC 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.

       We have many types of valve 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.

       Accuracy, Durability, Efficiency, and Stability have been the main value of TONES for decades. With the advance technology, in order to adapt to more subdivided fluid, temperature, and pressure applications, working on the basis of quality assurance system ISO 9001:2015, we are committed to more accurately improving product performance and stabilizing for delivering higher value to customers.

       Customer satisfaction is important to us. TONES always provides the best advice to customers for using the right product performance. This directory hopes to bring clearer product information. We appreciate the support of all over the years and look forward to future cooperation.