Tu Tinh Address: Kiot So 15, B14 Pham Ngoc Thach, Kim Lien Ward, Dong Da District, Ha Noi City Enterprise code: 0105431395 Phone: 02382406786 Representative: Nguyen Phuong Anh Adress: 41, A5 Bac Nghia Tan, Nghia Tan Ward, Cau Giay District, Ha Noi City Kim Lien Ward, Dong Da District, Ha Noi CityFounding date: 1 - 8 - 2011