Vang Khoa Bich Address: No 29, Lane 135, Doi Can Street, Ngoc Ha Ward, Ba Dinh District, Ha Noi City Enterprise code: 0101509322 Phone: 02438232349 Representative: Truong Thi Bich Adress: No 29, Lane 135, Doi Can Street, Ngoc Ha Ward, Ba Dinh District, Ha Noi City Ngoc Ha Ward, Ba Dinh District, Ha Noi CityFounding date: 20 - 7 - 2004