Van Phong Dai Dien Tran Yen Thiet Ke - Thi Cong Xay Dung Tron Goi - Cong Ty TNHH Tu Van Thiet Ke Va Address: No 12, Doan Ket Street, Co Phuc 3 Hamlet, Tran Yen Commune, Tran Yen District, Yen Bai Province Enterprise code: 5200921374-001 Phone: 0931216288 Representative: Dinh Tuan Hung Tran Yen District, Lao Cai ProvinceFounding date: 17 - 3 - 2026