Gelonghui March 18 丨 Shanghai Hejing (688584.SH) announced that Shanghai Jingmeng Silicon Materials Co., Ltd. (hereinafter referred to as “Shanghai Jingmeng”), a wholly-owned subsidiary of the company, recently passed the accreditation assessment by the China National Accreditation Committee for Conformity Assessment (CNAS) and obtained the laboratory accreditation certificate and accreditation decision issued by it.

Certificate content: The laboratory of Shanghai Jingmeng Silicon Materials Co., Ltd. complies with the requirements of ISO/IEC 17025:2017 “General Requirements for Testing and Calibration Laboratory Capabilities” (CNAS-CL01 “Testing and Calibration Laboratory Capability Accreditation Criteria”) and has the ability to undertake the services listed in the annex to this certificate and is recognized.