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Welcome to the official website of Jiangsu Yidelong Petroleum Machinery Co., Ltd!

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Position: Home >Honor

: Business license

: API-6A

: API-16A

: API-16C

: API Specification Q1

: ISO 9001 quality management system c…

: Environmental management system cert…

: Occupational health and safety manag…

: Measuring AAA

: Special equipment manufacturing lice…

: CNAS national laboratory

: MCC Manufacturer Capacity Assessment…

: CNPC Well Control Qualification-Cass…

: CNPC Well Control Qualification-thro…

: Service Certificate

: Intellectual property management sys…

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