GRA Lab is founded by Dr. Teh Poey King.
Dr. Teh Poey King is a gemologist in Malaysia. He has years of experience in this field.
He is a holder of
09-82, Level 9, Berjaya Times Square,
No. 1, Jalan Imbi,
55100, Kuala Lumpur, Malaysia.
WS 20, Arked Perbadanan,
Jalan Tengku Petra Semerak,
15000 Kota Bharu, Kelantan, Malaysia.
My handphone: +6019-2671 671