On Dec. 29th, 2022, State Administration for Market Regulation of P.R.China, Standardization Administration of the People,s Republic of China ‘The People,s Republic of China national standard approval

On Dec. 29th, 2022, State Administration for Market Regulation of P.R.China, Standardization Administration of the People^,s Republic of China ‘The People^,s Republic of China national standard approval issued to post 2022 No.20 ’ approval issued Jinan Zhongbiao Technology Co. , Ltd. and Shandong Zhongbiao Qixin Testing Technology Co., Ltd. developed CRMs，certified reference materials for physical characteristic and chemical composition of anthracite and bituminous.