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

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: Intellectual property management sys…

: Business license

: High-tech enterprise technology cert…

: Jiangsu Province Specialized, New, S…

: Special equipment manufacturing lice…

: Measuring AAA

: Measurement management system certif…

: ISO 9001 quality management system c…

: Environmental management system cert…

: Occupational health and safety manag…

: CNAS national laboratory

: API Specification Q1

: API-6A

: API-16A

: API-16C

: CNPC well control qualification cert…

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