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From September 15 to 16, 2018, the company passed the ISO/IEC 17025 on-site evaluation organized by China National Accreditation Committee for Conformity Assessment.
last：On June 11, 2018, our project "Bituminous Coal Binding Index Standard Sample", "Petroleum Coke and
next：On October 15, 2018, the State Administration of Market Supervision and Administration approved Jinan
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