Precise sncr denitration upgrading sncr, scr denitrification process in cement kiln, cdmc series pulse jet bag filter, cdpk e type electrostatic precipitator, fgm plenum pulse bag filter, cxs series reverse blow bag filter, electrostatic fabric filter, conversion esp to bag filter, limestone gypsum flue gas desulfurization ( fgd ), co processing of industrial waste in cement kiln, integration of flue gas cleaning for domestic waste incineration and biomass power plants, vocs (volatile organic off gas) treatment .Research and design, clearing agent, shipment