On October 15, 2018, the State Administration of Market Supervision and Administration approved Jinan

On October 15, 2018, the State Administration of Market Supervision and Administration approved Jinan Zhongbiao Technology Co., Ltd. / Shandong Zhongbiao Enterprise Credit Testing Technology Co., Ltd.'Standard Material for Spectral Analysis of Ferromanganese Components and Aluminum Alloys'Grading Certificate No. (2018) No. 184 of National Standard Material Certificate'.