In JST Joint Stock Company Address: 5th Floor, Bao Bien Phong Building, No 40a Hang Bai, Hang Bai Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0104256944 Phone: 02439368577 Representative: Dang Thanh Thuy Adress: No 181, B10, An Duong, Yen Phu Ward, Tay Ho District, Ha Noi City Hang Bai Ward, Hoan Kiem District, Ha Noi CityFounding date: 18 - 11 - 2009