Tu Van Thiet Ke Giam Sat Nam Son LTD Address: No 7, Lane 337, Dai Dong Street, Yen Binh Town, Yen Binh District, Yen Bai Province Enterprise code: 5200926164 Phone: 0962602266 Representative: Tran Van Nhan Yen Binh Town, Yen Binh District, Yen Bai ProvinceFounding date: 5 - 10 - 2021