The latest edition of the “Petroleum and Natural Gas Industry Standards of the People’s Republic of China,” in which our company participated and helped develop, has been officially released.
Dec 08,2022
2020 In October, the “Petroleum and Natural Gas Industry Standard of the People’s Republic of China SY/T 5525-2020,” in which our company’s chief engineer Wang Wenfeng participated in drafting, was officially released. This standard specifies the model and basic parameters, technical requirements, test methods and inspection rules, as well as the requirements for marking, packaging, transportation, and storage of lower and lower square drill pipe plug valves used in petroleum and natural gas drilling and production equipment.

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