DQS-HK

DQS-HK is a subsidiary of the global management system certification leader DQS Group (德國體系認證集團), with global headquarter in Frankfurt, Germany.  With German Society for Quality (DGQ-德國質量協會) and German Institute for Standardization (DIN-德國標準化學會), and Underwriters Laboratories (UL-美國保險商試驗室) as its primary shareholders, DQS is...