Thiet Ke Phien Ban Joint Stock Company Address: No 21, Lane 67, Duc Giang To 21 Street, Viet Hung Ward, Ha Noi Town, Viet Nam, Ha Noi City Enterprise code: 0111185229 Phone: (0237) 4325688 Representative: Le Trong Phien Ha Noi CityFounding date: 19 - 8 - 2025