... ,for all kinds of dust gas The environment-friendly smoke removing and purifying tower is1. Suitable for all kinds of hand ... use.2.Widely used in the control of lead smoke&dust and steam pollution from printing,battery,nonfer-rous metal smelting ... ,boilers,industrial furnaces,casting,ceramics,glass,grinding wheel manufacturing,fire-proo-f material,rubbish incineration,asphalt concrete mixing,military ...