The latest edition of the “National Standard of the People’s Republic of China GB/T 25429-2019,” in which our company participated and helped develop, has been officially implemented.

Dec 08,2022


The latest edition of the “National Standard of the People’s Republic of China GB/T 25429-2019,” in which our company participated and helped develop, has been officially implemented.

    2020 In November, the “National Standard of the People’s Republic of China GB/T 25429-2019,” co-authored by Wang Wenfeng, our company’s chief engineer, was officially put into effect. This standard specifies the structural types, requirements, materials, quality control measures, and testing requirements for check valves used in drilling equipment in the petroleum and natural gas industries.

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Our company has achieved outstanding results in PetroChina’s annual bidding project.

On April 6, our company achieved outstanding results in the “New Access Project for PetroChina’s 2022 Drilling Tools Internal Blowout Prevention Equipment (Check Valves and Plug Valves)” and the “New Access Project for PetroChina’s 2022 Drilling Tools (Drill String Stabilizers).” Among the dozens of companies that participated in the bidding, our company ranked first in the plug valve project, second in the check valve project, and fourth in the drill string stabilizer project.

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