Simtek Joint Stock Company Address: No 8, Lane 20/15, Ho Tung Mau Street, Mai Dich Ward, Cau Giay District, Ha Noi City Enterprise code: 0105393686 Phone: 02437858310 Representative: Vu Ngoc Tiep Adress: Hamlet 1, Phu Do Hamlet, Me Tri Commune, Tu Liem District, Ha Noi City Mai Dich Ward, Cau Giay District, Ha Noi CityFounding date: 7 - 7 - 2011