Duoling(the former, Aojia Vehicles Factory) professionally makes and markets electric vehicles. Owing to many years' experiences in design and production of fuel vehicles, thanks to the enormous economic strength of the group,and based on close cooperation with Zhengzhou Electric Vehicles Research Institute to refer to its ZD-1 electric car, which won the 8th 5-year technical achievement award, Duoling has developed series of quality electric vehicles at competitive pricing.

Our major products including touring car, VIP car, golf car, traction truck, freight truck and other special electric cars and yachts, widely used in tour area, large park, pleasure ground, resort, hotel, luxurious hotel, closed residential area, shopping mall, stadium, station, airport, port, hospital, school, and various factories, serving as passenger, freight and traction vehicles.　　

The core controlling system of the vehicles are the leading imported products, which ensures these products to have the steady start and speedy acceleration and to enjoy the low energy cost and high reliability.

The charging system uses fully automatic intelligent charger to ensure the battery in best condition. This system will save the power and prolong the life of the battery, and meanwhile, avoid the pollution caused by exhausting during the course of charging.　　

The auxiliary power system applies the DC-DC converter to supply the 12v power to the vehicle, which will prolong the life of the battery pile.

The independent suspension system makes the passengers feel comfortable during their ride.

The gear shift system allows the vehicles to adapt to various road situations.