Dau Tu Ky Thuat Va Thuong Mai Thanh Long Joint Stock Company Address: No 236, Khoi 2C, Dong Anh Town, Dong Anh Town, Dong Anh District, Ha Noi City Enterprise code: 0101777579 Phone: 0248820938 Representative: Nguyen Thanh Long Adress: No 243 Khoi 7a, Dong Anh Town, Dong Anh District, Ha Noi City Dong Anh Town, Dong Anh District, Ha Noi CityFounding date: 21 - 9 - 2005