San Xuat Vat Lieu Va Xay Dung Dai Son Joint Stock Company Address: Nga Son Hamlet, Dac Son Commune, Pho Yen Town, Thai Nguyen Province Enterprise code: 4601326250 Phone: 0914419148 Representative: Dao Van Dien Dac Son Ward, Pho Yen City, Thai Nguyen ProvinceFounding date: 10 - 1 - 2017