· 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.

· Much more convenient maintenance operation, durable oil and filters to reach longer maintenance period and 50% less expense.

· Operation interface upgrade, intelligent operation interface of fashion technology, simpler and more convenient.

· Reinforced structural parts cope with complex working conditions, multi-stage reinforced fuel filter system copes with inferior oil products, high-efficiency heat dissipation cooling system, hydraulic pulse absorber.