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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…
总数 17
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