Thang Long LTD Address: No 9, Dien Bien Street, Civil Group 4, Son La City, Son La Province Enterprise code: 5500203494 Phone: 02123854479 Representative: Pham Ngoc Kinh Adress: No 09, Dien Bien Street, Civil Group 4, Son La City, Son La Province Son La City, Son La ProvinceFounding date: 16 - 1 - 2002