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

Professional Standard - Commodity Inspection, ??? ??

GCC Standardization Organization, ??? ??

Hebei Provincial Standard of the People's Republic of China, ??? ??

Professional Standard - Non-ferrous Metal, ??? ??

國(guó)家市場(chǎng)監(jiān)督管理總局、中國(guó)國(guó)家標(biāo)準(zhǔn)化管理委員會(huì), ??? ??

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

National Metrological Verification Regulations of the People's Republic of China, ??? ??

Swedish Institute for Standards, ??? ??

Gosstandart of Russia, ??? ??

VN-TCVN, ??? ??

British Standards Institution (BSI), ??? ??





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