... allow the mixing operation easier,effective and reliableDual-stage dust removal system and negative pressure dustproof design make our asphalt ... kg100 t/200 t/300 tasphalt mixerEnvironment Protection:1,Total dust collection with 1st-level inertial collecting, 2nd-level bag ... protection concepts according to the European standards to achieve in dust emission, acid emission and noise control, etc.3,The ...