Truong THPT Son Dong So 3 Address: Thanh Son Town, Son Dong, Bac Giang, Son Dong District, Bac Giang Province Enterprise code: 2400481485 Phone: 02043588018 Adress: Son Dong District, Bac Giang Province Thanh Son Town, Son Dong District, Bac Giang ProvinceFounding date: 12 - 8 - 2009