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General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ?? ???

國家市場監(jiān)督管理總局、中國國家標(biāo)準(zhǔn)化管理委員會, ?? ???

Professional Standard - Petroleum, ?? ???

Group Standards of the People's Republic of China, ?? ???

Professional Standard - Chemical Industry, ?? ???

Association Francaise de Normalisation, ?? ???

工業(yè)和信息化部/國家能源局, ?? ???

American Society for Testing and Materials (ASTM), ?? ???





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