Tu Van Va Phat Trien Quoc Te Bigsun Joint Stock Company Address: No 24 Khu Bac Son, Chuc Son Town, Chuong My District, Ha Noi City Enterprise code: 0106530222 Phone: 02422627777 Representative: Nguyen Thi Nga Adress: P904 No1 Do Thi Phap Van, Hoang Liet Ward, Hoang Mai District, Ha Noi City Chuc Son Town, Chuong My District, Ha Noi CityFounding date: 6 - 5 - 2014