Certificate No. NSZ3301202204001 in Jewellery Appraiser, China(NGTC)
Certificate No. NSZ1201202208019 in Diamond Gemmologist, China(NGTC)
Certificate No. NSZ1301202219009 in Jadeite Gemmologist, China(NGTC)

Certificate in Coloured Stone Grading & Pricing, Thailand(AIGS)

NGTC Graduate Gemmologist Programme for Jadeite(Graduation Ceremony 2022)
National Gemstone Testing Centre, China(NGTC)

NGTC Graduate Gemmologist Programme (Graduation Ceremony 2022)
National Gemstone Testing Centre, China (NGTC)