Sumi Joint Stock Company Address: 144 Nguyen Khuyen, Van Mieu Ward, Dong Da District, Ha Noi City Enterprise code: 0102528208 Phone: 0983260373 Representative: Trinh Minh Hoang Adress: 144 Nguyen Khuyen, Van Mieu Ward, Dong Da District, Ha Noi City Van Mieu Ward, Dong Da District, Ha Noi CityFounding date: 23 - 11 - 2007