



Recently, a group of senior audit experts appointed by the American Petroleum Institute (API) conducted a special audit of our company’s API certificate.


Manager Wang Feng, Minister of Science and Environment Technology Department, introduces Ultrasonic Testing for API auditors
The auditor witnessed the tensile testing process together with the staff of the Science, Environment, Physics and Chemistry Laboratory.


In response to past non conformities, the working group took the lead in organizing and forming a rectification list, clarifying responsible departments, rectification measures, and completion deadlines, promoting implementation one by one, and completing effect verification

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