Cheng Hui Environmental Protection (Vietnam) LTD Address: 2nd Floor, HH1 So 90 Nguyen Tuan Building, Thanh Xuan Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0111447393 Phone: 0909999613 Representative: Zhou, Limin Thanh Xuan District, Ha Noi CityFounding date: 6 - 4 - 2026