Two gemologists from Chow Tai Fook Fei Cui Testing Centre were accepted as approved signatories for specified tests by the Hong Kong Laboratory Accreditation Scheme (HOKLAS) of Hong Kong Accreditation Service (HKAS). Coupling with Hong Kong and Macau Management Centre General Manager Alex Wong, Senior Gemologist Tim Ho and Gemologist Wendy Yip certified as the approved signatories in 2012, there are 5 approved signatories from Chow Tai Fook Fei Cui Testing Centre accredited by HKAS out of approximate 20 approved signatories in Hong Kong.