Viet - Han Dental Studio LTD Address: No 12, Civil Group 10, Lane 132, Kham Thien Street, Dong Da District, Ha Noi City Enterprise code: 0105672168 Phone: 02462960250 Representative: Trinh Thi Son Adress: Trung Hoa Hamlet, Vu Thu District, Thai Binh Province Dong Da District, Ha Noi CityFounding date: 24 - 11 - 2011