Boi Duong Va Nang Cao Kien Thuc Xuan Thuy LTD Address: No 9, Lane 51, Nguyen Phong Sac Street, PVBCTT Town, Civil Group 13, Dich Vong Hau Ward, Cau Giay District, Ha Noi City Enterprise code: 0110958155 Phone: 0986604668 Representative: Nguyen Thi Thu Mien Dich Vong Hau Ward, Cau Giay District, Ha Noi CityFounding date: 18 - 2 - 2025