Osstem Implant Vi Na LTD Address: 2 B14 (C4, 1 District), Hoang Van Thai DT Nam, Thanh Pho, Tan Phu Ward, Tan Phu Ward, District 7, Ho Chi Minh City Enterprise code: 0311109514 Phone: 0854130009 Representative: Kim, Han Sang Adress: 7, 9 Bau Cat, Ward 14, Tan Binh District, Ho Chi Minh City Tan Phu Ward, District 7, Ho Chi Minh CityFounding date: 30 - 8 - 2011