Thanh TELECOM Company Limited
Số 16, ngõ 38, đường Trường Chinh, P. Lương Khánh Thiện, Phu Ly City
Giang Anh Telecommunication - Technology Company Limited
Tổ 2, Thị TrấN Ba Sao, Kim Bang District
Truong Giang Telecom Munication Technology Company Limited
Xóm 5, Xã Thanh Sơn, Kim Bang District