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.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.

3.Series connection of multi-equipment —— Dedicated connection tool makes multi-equipment work at the same time to achieve distant water supply.

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

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

6.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.