Van Phong Dai Dien Cong Ty Co Phan Efs Ha Noi Tai Bac Ninh Address: 1st Floor, CT4 - Du An Khu Nha O Building, Hoi Cao Nguyen 3 Commune, Tu Son Ward, Tinh Bac Ninh, Viet Nam Enterprise code: 0102302063-002 Phone: 02435641290 Representative: Pham Thanh Hien Kim Lien Ward, Dong Da District, Bac Ninh ProvinceFounding date: 10 - 2 - 2026