Tu Van Cong Nghe Xay Dung Viet Nga LTD Address: Dap 2 Hamlet, Dac Son Commune, Pho Yen Town, Thai Nguyen Province Enterprise code: 4601570795 Phone: 0987707123 Representative: Ngo Xuan Hung Dac Son Ward, Pho Yen City, Thai Nguyen ProvinceFounding date: 4 - 2 - 2021