Cong Nghe Thong Tin Truyen Thong Yen Bai Joint Stock Company Address: No 549, Dien Bien Street, Minh Tan Ward, Yen Bai City, Yen Bai Province Enterprise code: 5200424407 Phone: 02163856355 Representative: Nguyen Quang Minh Adress: Civil Group 49, Minh Tan Ward, Yen Bai City, Yen Bai Province Minh Tan Ward, Yen Bai City, Yen Bai ProvinceFounding date: 23 - 6 - 2009