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China National Administration of Coal Ge
China National Chemical Corporation
China National Economic and Technical De
China National Environmental Monitoring
China National GeneBank
China Motor Bus Company Limited
China Mobile Communications Corporation
China Minmetals Corporation
China Metrology Accreditation
China Metallurgical Geology Bureau
China National Accreditation Service for
- 网络中国合格评定国家认可中心
China National Accreditation Service for