Tu Van Dau Tu Va Chuyen Giao Cong Nghe Xay Dung Viet Nam Joint Stock Company Address: Dong Son Hamlet, Dong Xa Commune, Van Don District, Quang Ninh Province Enterprise code: 5701936572 Phone: 01688353577; 0388353577 Representative: Ta Song An Dong Xa Commune, Van Don District, Quang Ninh ProvinceFounding date: 30 - 5 - 2018