Dau Tu Son Thanh Joint Stock Company Address: Nhan Dan Gia Dia Civil Group, Yen Lac Town, Na Ri District, Bac Kan Province Enterprise code: 4700289384 Phone: 0912045666 Representative: Nguyen Van Thang Adress: TND Gia Dia, Yen Lac Town, Na Ri District, Bac Kan Province Yen Lac Town, Na Ri District, Bac Kan ProvinceFounding date: 9 - 11 - 2022