Van Phong Dai Dien Cong Ty Co Phan Moi Truong Va Nang Luong Nam Thanh Yen Bai Address: Lk03a-14, Yen Bai Riverside Urban Area, Bach Lam Street, Au Lau Ward, Tinh Lao Cai, Viet Nam Enterprise code: 5200753698-001 Phone: 02163893944 Representative: Tran Hai Long Lao Cai ProvinceFounding date: 18 - 11 - 2025