Hoang Mai Joint Stock Company Address: Civil Group 22, Huong Son Ward, Thai Nguyen City, Thai Nguyen Province Enterprise code: 4600411778 Phone: 0972597338 Representative: Tran Quang Khai Adress: Hao Tho Hamlet, Tich Luong Ward, Thai Nguyen City, Thai Nguyen Province Huong Son Ward, Thai Nguyen City, Thai Nguyen ProvinceFounding date: 17 - 7 - 2007