Gangnam Line Joint Stock Company Address: 2nd Floor, Gelex Tower Building, No 52 Le Dai Hanh, Le Dai Hanh Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0107103255 Phone: 02439750040 Representative: Hwang Yong Adress: Zoom 2001, 101 Bando Bora Building, Youngsun Dong, Youngdo G Le Dai Hanh Ward, Hai Ba Trung District, Ha Noi CityFounding date: 12 - 11 - 2015