· Vehicle insulation testing, high-voltage interlocking, over-temperature protection, charging safety testing, safe construction without dead ends, pure electric, zero emissions, optional maintenance-free bushings, vehicle-mounted Internet of Things, and a new touch screen.

· The longest designed lifetime can reach 25000 hours, 30% longer lifetime compared with previous models.

· More than 20 kinds of optional working devices, good protection of the engine with multi-stage reinforced fuel filter system.

· Through experience accumulation of 15 years, the operating life is more than 15,000H under mining working condition.