Tonkin LTD Address: No 10B, Lane 376, Khuong Dinh Street, Thanh Xuan District, Ha Noi City Enterprise code: 0104970612 Phone: 0936397980 Representative: Thanh Ngoc Chi Adress: No 16, Alley 26, Lane 162, Doi Can Street, Ba Dinh District, Ha Noi City Thanh Xuan District, Ha Noi CityFounding date: 25 - 10 - 2010