Cong Nghe Cao As-Tk Viet Nam Joint Stock Company Address: Nha C1 Khu, Biet Thu, 195B Lane, Doi Can Street, Doi Can Ward, Ba Dinh District, Ha Noi City Enterprise code: 0106439358 Phone: 0437220793 Representative: Nguyen Hoang Kim Adress: 55/6 Tran Dinh Xu, Cau Kho Ward, District 1, Ho Chi Minh City Doi Can Ward, Ba Dinh District, Ha Noi CityFounding date: 15 - 1 - 2014