Be Tong Va Vat Lieu Xay Dung Khanh Duong Joint Stock Company Address: No 91, Civil Group 2, Phu Xa Ward, Thai Nguyen City, Thai Nguyen Province Enterprise code: 4600952551 Phone: 02083747168 Representative: Nguyen Van Dien Adress: Civil Group 19, Yen Binh Town, Yen Binh District, Yen Bai Province Phu Xa Ward, Thai Nguyen City, Thai Nguyen ProvinceFounding date: 19 - 4 - 2011