1.Large capacity cavity of vacuum pump —— The displacement of improved vacuum pump is two times bigger than the former one, the priming time is shorter, the water comes out faster, the suction head is higher, could reach 9 meters.

2.Dual cooling system —— Dual cooling system of air cooling and water cooling replaces the original air cooling system, which can ensure that machine works stably for a long time at any conditions. 

3.Upgraded original engine power —— The improvement of air intake system and the adjustment of  injection make the mix-air well blended to achieve good burning effect; The adjustment of coil primary voltage of spark coil makes the secondary coil magnetoelectricity stronger to achieve powerful ignition performance, which can improve the power of original engine, highest to 25%.

4.Maintenance-free battery —— Electric starting is equipped with maintenance-free battery. It can prevent electrolyte from leakage to pollute the environment. The stable and reliable battery can ensure that the machine starts normally at any time. 

5.Intelligent control panel —— A series of functions, including new integrated intelligent control panel, one-button start, automatic priming and outlet, make it easy to control and guarantee normal operation. There is no need for professional training.

6.Muti-equipment connection —— Dedicated connection tool makes multi-equipment work at the same time to achieve distant water supply.

7.Auto-charging device——The machine with auto-charging device can charge the battery when operating in order to ensure adequate battery.

8.Low noise ——Well-designed muffle with large capacity can absorb engine's noise to reduce the noise pollution efficiently.