Phat Trien Truyen Thong Va Cong Nghe Vien Thong +1 LTD Address: Can 1204, The Manor Building, Cam Duong Ward, Tinh Lao Cai, Viet Nam Enterprise code: 5300854403 Phone: 0965361001 Representative: Do Dinh Thinh Cam Duong Ward, Lao Cai City, Lao Cai ProvinceFounding date: 28 - 7 - 2026