Bo Sua Tien Phong Joint Stock Company Address: Tan Bac Hamlet, Son Duong Town, Son Duong District, Tuyen Quang Province Enterprise code: 5000226172 Phone: 0207835217 Representative: Hoang Thanh Tan Adress: Son Duong Town, Son Duong District, Tuyen Quang Province Founding date: 18 - 10 - 2004