MTV Dich Vu Vien Thong Quoc Cuong Son La LTD Address: Nga Ba Hamlet, Muong Do Commune, Phu Yen District, Son La Province Enterprise code: 5500555111 Phone: 0979513269 Representative: Do Ngoc Toan Muong Do Commune, Phu Yen District, Son La ProvinceFounding date: 24 - 7 - 2017