Potech Joint Stock Company Address: No 35, Alley 92/117, Tran Cung Street, Co Nhue 1 Ward, Bac Tu Liem District, Ha Noi City Enterprise code: 0105985749 Phone: 0979185455 Representative: Nguyen The Nghia Co Nhue 1 Ward, Bac Tu Liem District, Ha Noi CityFounding date: 6 - 9 - 2012