Xay Dung Ky Thuat Au Sen Con LTD Address: 20, Street No 16, Quarter 1, Tan Phu Ward, District 7, Ho Chi Minh City Enterprise code: 0305431554 Phone: 0866747987 Representative: Pham Thong Thai Adress: 487/23/6a, Quarter 1, Tan Thuan Dong Ward, District 7, Ho Chi Minh City Tan Phu Ward, District 7, Ho Chi Minh CityFounding date: 14 - 1 - 2008