Dich Vu Vien Thong Tay Bac Joint Stock Company Address: No 154, Civil Group 25, Dong Phong Ward, Lai Chau City, Lai Chau Province Enterprise code: 6200096691 Phone: 0904992576 Representative: Nguyen Thi Sam Nguyen Van Suu Dong Phong Ward, Lai Chau City, Lai Chau ProvinceFounding date: 10 - 1 - 2018