STY was founded in 2010 and is located in Wenzhou, Zhejiang. The company specializes in the manufacturing of forged steel valves, with its main products including forged steel gate valves, globe valves, check valves, and ball valves. Production complies with API, ANSI, JIS, ISO, GB, and other standards. The company is equipped with facilities for die forging, heat treatment, machining, welding, assembly, as well as a CAD valve design and quality testing center. Materials cover A105, LF2, F5, F11, F22, 304/304L, 316/316L, F51, Inconel, Monel, and others, with diameters from DN10 to 50 and pressure ratings from PN1.6 to 42MPa and 150Lb to 2500Lb. The products are used in petroleum, chemical, metallurgy, power generation, and other industries.