Than Khong Khoi Thanh Tam LTD Address: Doan Ket Hamlet, Trang Dinh Commune, Tinh Lang Son, Viet Nam Enterprise code: 4900944449 Phone: 0913147886 Representative: Dinh Dai Tho Trang Dinh Commune, Trang Dinh District, Lang Son ProvinceFounding date: 25 - 5 - 2026