In compliance with the requirements of ISO Guide 34 and ISO/IEC 17025, the company has passed the

In compliance with the requirements of ISO Guide 34 and ISO/IEC 17025, the company has passed the "Standard Material/Standard Sample Producer Capability" of the China National Accreditation Committee for Conformity Assessment and obtained a certificate with the certificate number NO.RM0004. The recognition is in line with more than 60 countries and regions in the world and has signed mutual recognition agreements.