Phat Trien Tin Hoc Duy Hung LTD Address: No 80, Tran Nhan Tong Street, TDP Thuong 2, An Chau Town, Son Dong District, Bac Giang Province Enterprise code: 2400926381 Phone: 02383556797 Representative: Nguyen Thi Hoa An Chau Town, Son Dong District, Bac Giang ProvinceFounding date: 24 - 11 - 2021