Dau Tu Phat Trien Thang Long Joint Stock Company Address: Quang Trung Street, Minh Tan Ward, Yen Bai City, Yen Bai Province Enterprise code: 5200286002 Phone: 0216890677 Representative: Ha Kim Cuong Adress: No 658, Yen Ninh Street, Yen Bai City, Yen Bai Province Minh Tan Ward, Yen Bai City, Yen Bai ProvinceFounding date: 25 - 2 - 2008