– Governing body: SJA Gemstone Association
– License number:
– Association President: Doan Thi Anh Vu
– Head office: 586 Tran Hung Dao, Ward 14, District 5, HCMC
– Phone: (84-8) 38591103 – 39751486
– Fax: (84-8) 39741867
– Email: info@chihoidaquysja.org
chihoidaquysja@gmail.com
– Website: www.chihoidaquysja.org