Tu Van Bach Khoa Joint Stock Company Address: No 83, Tran Quoc Toan Street, Tran Hung Dao Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0102640104 Phone: 0983401968 Representative: Nguyen Thi Chau Adress: No 38, Hang Than Street, Nguyen Trung Truc Ward, Ba Dinh District, Ha Noi City Tran Hung Dao Ward, Hoan Kiem District, Ha Noi CityFounding date: 14 - 2 - 2008