The ergonomically designed frame has excellent shock absorption performance, full elasticity, and durability. High quality pure copper core motor, pure copper wire motor, stable performance, full power, aluminum shell with high heat dissipation, smooth operation, low noise, and never rusting. The use of specialized brackets for thickened exhaust pipes can prevent the pipes and air filters from breaking and extend their service life over a long period of time. The thickened polyurethane folding box is made of polymer polyurethane material, which is more resistant to bending and vibration, and can increase its service life by three times.