Dau Tu Phat Trien Thuy Dien Lam Ca Joint Stock Company Address: No 16/204, Tran Quang Khai Street, Luong Van Tri Ward, Tinh Lang Son, Viet Nam Enterprise code: 4900940814 Phone: 0339270886 Representative: Ngo Van Quang Luong Van Tri Ward, Lang Son City, Lang Son ProvinceFounding date: 10 - 3 - 2026