Tu Van Zna Joint Stock Company Address: No 6, 20 Huynh Thuc Khang Lane, Lang Ha Ward, Dong Da District, Ha Noi City Enterprise code: 0110112901 Phone: 0963959874 Representative: Vu Van Tan Adress: No 2, 521/69 Truong Dinh Lane, Tan Mai Ward, Hoang Mai District, Ha Noi City Lang Ha Ward, Dong Da District, Ha Noi CityFounding date: 9 - 9 - 2022