Summary description： The domestic sewage treatment project of Korla mining area uses pwt-a-30 integrated sewage treatment equipment independently developed by Huayu brilliant to comprehensively treat the domestic sewage in remote mining areas. It overcomes the problem of low temperature and hypoxia in plateau, and the effluent quality meets the first class a standard in the discharge standard of pollutants for municipal wastewater treatment plant (GB18918-2002).