Cong Nghe Va Truyen Thong Kalzen LTD Address: No 9C/35/7, Vong Cau Niem Street, Nghia Xa Ward, Le Chan District, Hai Phong City Enterprise code: 0201863849 Phone: 02253717164 Representative: Nguyen Nhu Manh Nghia Xa Ward, Le Chan District, Hai Phong CityFounding date: 28 - 3 - 2018