automatic spray machine 1. Automatic plastering machine 2. With air compressor 3. Easy Handle 4. screw pump/dry mortar IntroductionThe automatic ... no empty drum and crazing Operation Instructions The automatic mortar spraying pump is a spraying unit with ... mortar, anti-crack mortar, interface agent, lacquer putty, building glue, adhesive, fireproof materials, epoxy coatings.Construction Projects ...