Hoang Gia Joint Stock Company Address: Civil Group 10, Nguyen Thai Hoc Ward, Yen Bai City, Yen Bai Province Enterprise code: 5200463999 Phone: 02163818688 Representative: Hoang Ngoc Tuyen Adress: Civil Group 10, Nguyen Thai Hoc Ward, Yen Bai City, Yen Bai Province Nguyen Thai Hoc Ward, Yen Bai City, Yen Bai ProvinceFounding date: 16 - 9 - 2009