Thuong Mai Dich Vu Ky Thuat Duy Khang LTD Address: 291, DHT 02 Street, Quarter 4, Tan Hung Thuan Ward, District 12, Ho Chi Minh City Enterprise code: 0310452895-001 Phone: 0854045625 Representative: Huynh Quoc Dung Adress: 344 Hamlet 3, My Long Commune, Cao Lanh District, Dong Thap Province Tan Hung Thuan Ward, District 12, Ho Chi Minh CityFounding date: 15 - 11 - 2010