Khoa Hoc Dingyu (Viet Nam) LTD Address: 1st Floor, No 39/739, Nguyen Van Linh Street, Vinh Niem Ward, Le Chan District, Hai Phong City Enterprise code: 0202266757 Phone: 0985588756 Representative: Vu Van Thu Vinh Niem Ward, Le Chan District, Hai Phong CityFounding date: 17 - 12 - 2024