Dang Khoa Tay Bac LTD Address: Tieu Khu Phieng Ban 2, Bac Yen Town, Bac Yen District, Son La Province Enterprise code: 5500625129 Phone: 0901511868 Representative: Pham Viet Toan Bac Yen Town, Bac Yen District, Son La ProvinceFounding date: 29 - 10 - 2020