Dau Tu Xay Dung Khanh An Joint Stock Company Address: No 31, Ap Ha Street, Khai Quang Ward, Vinh Yen City, Vinh Phuc Province Enterprise code: 2500395631 Phone: 0983847546 Representative: Vu Hai Dinh Adress: Quarter 01, Huong Canh Town, Binh Xuyen District, Vinh Phuc Province Khai Quang Ward, Vinh Yen City, Vinh Phuc ProvinceFounding date: 16 - 4 - 2010