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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

The Material selection of ASME at different temperatures

In our daily work,a lot of clients asking for application of cryogenic valve

Jun 18,2025

Chinese Dragon Boat Festival Holiday

Dragon Boat festival on May day, warm greetings from all of us at ZHEJIANG ZHENGFENG VALVE CO.,LTD.

May 30,2025

The 20th Wenzhou International Pump & Valve Exhibition was take place on the May 9th.

We ZJZFV visited the 20th Wenzhou International Pump & Valve Exhibition

May 10,2025

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