The best machine for dry type installation on exterior wall.
1. Vacuum sucker: Set on any non-flat surface without making any damage.
2. Adopted center injection cooling system, it would perform great durability.
3. Complete side drilling precisely with 12000rpm.
4. Co-3 can be set on any surface with vacuum sucker.
5. Solid drill bit: No dust accumulate inside the hole anymore.
6. High mobility with portable water bucket.
