Hoang Chieu Lang Son Address: Ly Thuong Kiet Street, Phu Loc 2, Ky Lua Ward, Tinh Lang Son, Viet Nam Enterprise code: 4900936663 Phone: 0918700189 Representative: Hoang Van Chieu Ky Lua Ward, Cao Loc District, Lang Son ProvinceFounding date: 18 - 12 - 2025