On May 10, 2017, the General Administration of Quality Supervision, Inspection and Quarantine approved

On May 10, 2017, the General Administration of Quality Supervision, Inspection and Quarantine approved the preparation of national standard materials such as "raw cast iron, aluminium alloy, stainless steel, high-speed tool steel, superalloy, precision alloy spectral analysis standard materials and bauxite, zinc concentrate, lead concentrate component analysis standard materials" developed by Jinan Zhongbiao Technology Co., Ltd. / Shandong Zhongbiao Enterprise Credit Inspection Technology Co., Ltd. The license number of measuring instruments is "National Standard 10001660 and National Standard 10001664".