Tu Van Khao Sat Thiet Ke Va Xay Dung Tan An Thinh LTD Address: 15/16 Hoa Binh, Ward 3, District 11, Ho Chi Minh City Enterprise code: 0314935357 Phone: 0938299970 Representative: Trinh Minh Sang Ward 3, District 11, Ho Chi Minh CityFounding date: 21 - 3 - 2018