Tu Van Thiet Ke Va Xay Dung Kien Truc Long Son LTD Address: Thuong Hamlet, Long Son Commune, Son Dong District, Bac Giang Province Enterprise code: 2400940234 Phone: 0976784141 Representative: Nguyen Van Hoc Long Son Commune, Son Dong District, Bac Giang ProvinceFounding date: 10 - 6 - 2022