Dau Tu Xay Dung Va Phat Trien Ha Tang Duong Thinh LTD Address: Cua Nhi Street, Son Thinh, Son Thinh Commune, Van Chan District, Yen Bai Province Enterprise code: 5200280610 Phone: 0216871244 Representative: Pham Cong Na Adress: Cua Nhi Street, Son Thinh, Van Chan District, Yen Bai Province Son Thinh Commune, Van Chan District, Yen Bai ProvinceFounding date: 16 - 10 - 2007