Thiet Bi Day Hoc, Day Nghe LB LTD Address: No 6, TS 3 Street, Tien Son Industrial Zone, Hoan Son Commune, Tien Du District, Bac Ninh Province Enterprise code: 2300240091 Phone: 0983379565 Representative: Nguyen Huu Phuoc Hoan Son Commune, Tien Du District, Bac Ninh ProvinceFounding date: 19 - 3 - 2004