Dao Tao Tu Duy & Ngon Ngu Toan Cau GTL Joint Stock Company Address: No 146, Tay Son Street, Phuong, Dong Da District, Ha Noi City Enterprise code: 0111631561 Phone: 0973614098 Representative: Nguyen Duy Han Dong Da Ward, Dong Da District, Ha Noi CityFounding date: 16 - 9 - 2026