On Mar. 25th, 2024, State Administration for Market Regulation of P.R.China, Standardization Administration

      On Mar. 25th, 2024, 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 2024 No.3 ’ 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 coke.