On June 13, 2016, the Metrology Department of the General Administration of Quality Supervision, Inspection and Quarantine approved Jinan Zhongbiao Technology Co., Ltd. / Shandong Zhongbiao Enterprise Credit Inspection Technology Co., Ltd. to develop "Carbon Steel and Alloy Steel, Stainless Steel, Pure Iron Spectrometric Analysis Standard Material and Potassium Feldspar, Clay, Limestone, Dolomite, Fluorite Component Analysis Standard Material" and other national standard materials to The license number is "National Standard 10001532 and National Standard 10001536".
