Dong Nam Yen Bai LTD Address: Yen Ninh 5 Civil Group, Yen Bai Ward, Yen Bai City, Yen Bai Province Enterprise code: 5200965156 Phone: 0968618682; Representative: Sach Van Tuan Yen Bai Ward, Bao Yen District, Yen Bai ProvinceFounding date: 11 - 3 - 2026