Nang Luong Truong Thinh Na Sam. Joint Stock Company Address: Khon Chao-Co Cai Hamlet, Loi Bac Commune, Tinh Lang Son, Viet Nam Enterprise code: 4900945202 Phone: 0854345566 Representative: Vu Ngoc Tuyen Loi Bac Commune, Loc Binh District, Lang Son ProvinceFounding date: 9 - 6 - 2026