1. Blastrac technology, same wearable spare parts with longer service life

2. Efficient and environmetal friendly floor surface preparation machine, wide use

3. Clean old coating and marking lines on concrete  floor and rust on steel plate and bridge and other surface maintenance on tunnel and highway

4. work dust free to create a safe working environment

5. recycle shot abrasive with less consumable cost for large preparation area than floor grinding

6. can remove thinset, mortar, rubber, paint carpet adhesive, epoxy, overlays and more coatings