September 07,2022NEWCertification and Accreditation Administration of the P.R.C on the invitation to participate in International Proficiency Testing schemes for Iron Ore and Limestone in 2022Entrusted by the Certification and Accreditation Administration of the People’s Republic of China (CNCA), China NIL organize, implement and coordinate the PT schemes “CNCA-22-I01 Determination of TFe, SiO2, P, S in iron ore" and " CNCA-22-I02 Determination of SiO2, CaO, MgO, Fe2O3, Al2O3 in limestone".
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