Dich Vu Khoa Hoc Ky Thuat Va Moi Truong An Phu Joint Stock Company Address: No 41 TT37, Van Phu Urban Area, Kien Hung Ward, Ha Noi Town, Viet Nam, Ha Noi City Enterprise code: 0111599702 Phone: 0368999265 Representative: Tran Dieu Anh Thu Kien Hung Ward, Dong Da District, Ha Noi CityFounding date: 11 - 8 - 2026