On April 28th, 2026, State Administration for Market Regulation of the People,s Republic of China approval issued Shandong Zhongbiao Qixin Technology Co., Ltd. developed some kinds of primary CRMs, including the certified reference materials of tool steel for spectral analysis, nitrogenous titanium alloy for spectral analysis, nitrogenous titanium alloy for composition analysis, copper alloy for spectral analysis, the gradation certificate of the national certified reference material was‘No. 7896, No. 7897, No. 8027, No. 7898’.
