Phat Trien San Xuat Thiet Bi Giao Duc Viet Nam Joint Stock Company Address: DV 15, LK 672, Civil Group 19, Kien Hung Ward, Ha Dong District, Ha Noi City Enterprise code: 0107937476 Phone: 0961789468 Representative: Nguyen Van Long Kien Hung Ward, Ha Dong District, Ha Noi CityFounding date: 31 - 7 - 2017