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A Resounding Success at PCV Expo 2025 in Moscow

MOSCOW – October 21-23th, 2025 – Zhejiang ZhengFeng valve is proud to announce its highly successful participation in the prestigious PCV Expo 2025

Oct 23,2025

The 25th Anniversary celebration of Wenzhou valve industry Assciation

Zhejiang ZhengFeng valve was invited to attend the 25th Anniversary celebration of Wenzhou valve industry Assciation

Oct 17,2025

2025 PCVEXPO

We are pleased to announce that our company will be participating in the PCV Exhibition in Russia this 21th October.

Sep 27,2025

The standard details and calculation formula table for valve leakage

In our daily work, we often receive inquiries from customers regarding the testing standards and methods applied to the valves we were produced

Aug 27,2025

Common unit conversion relationships and interpretation of frequently used nouns and terms

Here we zhengfeng valve explain to you some common units and frequently used terms that may be involved when using gas detectors

Aug 06,2025

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