ABOUT US. Zhengzhou Desen Environmental Technology Co.,Ltd, it is one of the high-tech group company with the technology research of environmental engineering application , processing and manufacturing equipment .Our traditional business cover three modules large and medium-sized stone crushing equipment series, powder grinding equipment series and ore beneficiation equipment.Design of a flotation equipment for copper ore concentration. design of a flotation equipment for cupper ore concentration. Design Of A Flotation Equipment For Copper Ore Concentration. Mineral Floation Cell Exhaust System Upgrade at Highland Valley .