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. Power upgrade of original engine  —— Self-developed core patent technology; reliable and mature products; strong power; low temperature and consumption of engine oil; convenient to start; wide application.

3. 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.

4. 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.

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

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