Shanghai Pudong Hanwei Valve Co., Ltd

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Valve sealing surface grinding is a key step to ensure se…

Valve sealing surface grinding is a key step to…

2024-11-01

The sealing performance of the valve directly affects the control effect of the fluid medium and the safe operation of the syst…

Valve sealing surface material selection factor…

2024-10-25

Sealing surface is the most critical working face of the valve, the quality of the sealing surface directly affects the servi…

Ultra-short radius horizontal well technology i…

2024-10-18

On September 19, the oil production plant No. 3 of Huabei Oilfield, which had been shut down for more than 4 years due to high …

Company News Industry News Valve knowledge

The domestic steel market will present a grinding bottom 2023-05-06

The domestic steel market w… 2023-05-06

Brief description of spread spherical gate valve 2023-02-18

Brief description of spread… 2023-02-18

What is the function of the diversion hole with the diversion stainless steel flat gate valve? 2023-02-18

What is the function of the… 2023-02-18

Chinas deepwater oil and gas development key technology and equipment development has made important breakthroughs 2023-02-17

Chinas deepwater oil and ga… 2023-02-17

Standards and Specifications for Valve Pressure Testing 2023-02-17

Standards and Specification… 2023-02-17

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