Truong THCS Doan Ket Address: Bui Xa Hamlet, Doan Ket Commune, Thanh Mien District, Hai Duong Province Enterprise code: 0800509967 Phone: 02203738185 Doan Ket Commune, Thanh Mien District, Hai Duong ProvinceFounding date: 14 - 1 - 2009