About Our Valve Company
Topper Valve Co., Ltd, founded in 1986 and located Wenzhou, China, covers an area of 62,000 m2 and boasts two subsidiary factories, more than 500 staffs and over 200 sets of facilities.
We make valves according to ANSI, API, BS, DIN, GOST and GB standards, for a variety of applications, such as oil & gas, petroleum, oil refining, chemical industries, ships, power generation and transmission pipeline industries.
We obtained the ISO 9001, API certificate, CE certificate, TS A1 grade certification, ISO 14001 & OHS 45001 cetification.
We established Testing Company to control the quality of the valves.
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