Shanghai Guanhuan Valve Manufacturing Co., Ltd. dates back to the 1990s, formerly known as Xingjian Valve Factory. It was restructured and registered under the current name in 2014. As a manufacturer focusing on valve fluid‑control equipment solutions, it has a registered capital of 110 million RMB and is headquartered in Shanghai.

Following the group’s industrial expansion layout, the company has built multiple regional production bases including Zhejiang Base, Tianjin Base, Hebei Base, Fujian Base and Yancheng Finishing Workshop for Automatic‑control Equipment. It cooperates with multiple raw‑material, foundry and forging partners for joint product development. The group operates several subsidiaries. The Shanghai headquarters covers a building area of 16,500 square meters with over 330 employees. 53 % of staff hold college‑level or above education, and engineers account for 10 %. The company maintains stable cooperation with industry partners and organizes regular staff training, forming an integrated mode of production, education and research.

Guanhuan Valve develops and sells its own brands “G‑brand” and “GHFM”. The product scope covers direct‑supply high‑/medium‑/low‑pressure gate valves, ball valves, butterfly valves, check valves, globe valves, large‑bore valves, electric valves, pneumatic valves, fluorine‑lined valves, rubber‑lined valves, regulating valves, steam traps, pressure‑reducing valves, plug valves, oxygen valves, gas valves, petroleum valves, forged‑steel valves, metallurgical valves, ceramic wear‑resistant valves, bellows valves, power‑station valves, hydraulic control valves, automatic control devices, as well as special‑material valves made of titanium, nickel, zirconium, duplex steel, Monel and Hastelloy. The company collects global industry technical resources for continuous product R&D.

The enterprise holds TS special‑equipment production license, ISO9001, ISO14001, OHSAS18001, SIL3 and EU CE certifications, and has obtained AAA credit enterprise rating and multiple patented technologies. Production capacity is supported by 280 sets of manufacturing equipment and 18 sets of testing facilities. Mature manufacturing processes have been accumulated to deliver valve products for various working conditions worldwide.

As a diversified manufacturing enterprise, its product portfolio includes industrial valves, water‑system valves, automatic control valves, power‑plant valves, acid‑alkali resistant valves, wear‑resistant valves, stainless‑steel valves, cast‑steel valves, ANSI‑standard valves, non‑standard valves and general‑purpose valves, nearly 1000 models in total. Products are widely applied in fine‑chemical plants, power plants, petrochemical, natural‑gas, coal‑chemical, metallurgy, papermaking, municipal water supply‑drainage, construction, pharmaceutical, environmental‑protection and large‑scale water‑conservancy projects. Domestically its business covers 32 provinces and municipalities, and products are exported to Russia, Pakistan, Vietnam, India and other regions.

Raising staff quality awareness and implementing standardized quality management is the consistent operational principle of Guanhuan Valve. The company keeps optimizing product performance and service system to provide standardized products and full‑range supporting services for industry partners.

Guided by the principle of “Progress‑oriented, Quality‑driven, Customer‑focused”, the company adopts the corporate slogan “Craftsmanship of Guanhuan, Valves for the Globe”. Looking ahead, Guanhuan will further expand its presence in fluid‑control sector following the group’s overall strategy, pursuing shared development and mutual‑benefit cooperation with global partners.