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INTRODUCTION Foot valve is an important component of many pump systems to maintain proper liquid flow and improve pump efficiency. It is usually in...

In 2025, a Russian customer visited our company to inspect the quality of our products and expressed satisfaction. Zhengmao Valve Co., Ltd. was est...

On December 10, 2025, the company organized a team-building activity, including a group badminton game.

On December 11, 2025, a Malaysian customer visited our factory and expressed great satisfaction, recognizing our production scale and product quali...

In industrial fluid control systems, the selection of valve materials directly determines the service life, operational stability and safety factor...

On November 30th, 152 ball valves manufactured by Zhengmao were completed, loaded onto trucks, and shipped to Indonesia. Founded in 1992, our compa...

On November 25th, Zhengmao shipped 242 high-pressure gate valves to Fangchenggang. Zhengmao Valve Co., Ltd. was established in 1992 in Oubei Street...

It is suitable for medium and high-pressure pipelines. The sealing performance is ensured by uniform fastening with bolts, but the use of double ga...

Straight-through type: It has low fluid resistance and is suitable for high-flow scenarios (such as flat gate valves in long-distance pipelines). ...

Cast iron: It is suitable for low-pressure, norm-temperature and neutral media (such as water and air), but it has poor corrosion resistance and is...

Stainless steel valves refer to valves with stainless steel as the valve body material. Due to their excellent rust resistance and corrosion resist...

Features: The valve body is equipped with an insulating jacket outside, suitable for media that are prone to crystallization. Application: Such ...