Chung Khoan Tonkin Joint Stock Company Address: 10th Floor So 434 Tran Khat Chan, Phuong, Hue Street, Hai Ba Trung District, Ha Noi City Enterprise code: 0102113820 Phone: 02439429472 Representative: Bui Quang Hung Adress: 53a Yersin Nha Trang, Nha Trang City, Khanh Hoa Province Pho Hue Ward, Hai Ba Trung District, Ha Noi CityFounding date: 19 - 12 - 2006