Ky Thuat Dich Vu Trinh Nguyen LTD Address: 24 Hoang Viet, Ward 4, Tan Binh District, Ho Chi Minh City Enterprise code: 0311542816 Phone: 02839756938 Representative: Trinh Thi Thuy Huyen Ward 4, Tan Binh District, Ho Chi Minh CityFounding date: 15 - 2 - 2012