Terofox is a vertical integration company, capable of valve casting, machining, assembly, and inspection. Founded in year 1994 based in Taichung, Taiwan, the company started as an assembly plant, mastering in OEM parts machining, valve assembly and testing. As the business scope expanded along with growing market demand, Terofox had an official launch in steel valve manufacturing; And had since channeled the ultimate pursuit to producing valves for heavy duty and severe application in 1998. The product scope includes ball valves, fittings, and butterfly valves.