Vien Thong Linh Huyen LTD Address: No 312, Khoi, Le Hong Phong Street, Bac Son Town, Huyen Bac Son, Tinh Lang Son, Viet Nam Enterprise code: 4900923142 Phone: 0984523693 Representative: Hoang Thu Diem Bac Son Town, Bac Son District, Lang Son ProvinceFounding date: 28 - 4 - 2025