1. Using diamond blade
2. Using large volume fuel tank to ensure long-time working
3. Grooving width and depth can be adjustable
4. Adopting imported gasoline engine; equipped with triple heavy air filters,applicable in adverse environments5.Using imported electric spiral riser; reliable in work, stable in performance.
6. Additional depth indication device and depth limit-stop adjusting device make the operation friendlier.
7. Cutting blades manufactured with high-quality materials and special technique guarantee long service life.
8. Crack tracking device guarantees cutting tools from improper work on irregular cracks.
9. Double protections prevent gravels from flying out; it’s safe and environmental-friendly.