Cao Su Ky Thuat Tam Hieu LTD Address: Noi Hamlet, Xa, Hoai Duc District, Ha Noi City Enterprise code: 0111651945 Phone: 0974428427 Representative: Nguyen Thi Hai Hoai Duc Commune, Dong Anh District, Ha Noi CityFounding date: 7 - 10 - 2026