Dien Tu Vien Thong Lam Bao Yen LTD Address: No 47B, Dien Bien Street, Civil Group 4, To Hieu Ward, Son La City, Son La Province Enterprise code: 5500568128 Phone: 0979192292 Representative: Bui Van Lam To Hieu Ward, Son La City, Son La ProvinceFounding date: 13 - 6 - 2018