ISO 17034


ISO 45001

ilac-MRA CNAS Laboratory Accreditation Certificate


Competency Verification Laboratory Certificate issue by CNCA

Gas Standardized Test Research and Verification - Chromatography Platform

Dalian special gas as member of National standardization committee

Liaoning Province Technical Center

Business License for Hazardous Chemical Products

National Level High Tech Enterprise

III Grade Enterprise of Work Safety Standardization

The Gradation Certificate of the National Certified Reference Material

Business License for DG Transportation Service

AAA Grades of Sincere Cooperation