Although there are some differences in performance and price between used mobile LED advertising vehicles and new cars, it is also the best choice for those who are in urgent need of funds but who have insufficient funds in their hands. However, because the used mobile LED advertising vehicle is not well protected in terms of quality, when buying an LED advertising vehicle, we must carefully select our eyes. Some people think that watching the mileage can directly determine the old age of the mobile LED advertising vehicle . This method of judgment is not wrong, but it can not be used as the main basis for the selection of second-hand mobile LED advertising vehicles. When observing the second-hand mobile LED advertising vehicle , at first glance to see the appearance of the body of the LED advertising car, not only need to observe the level of the heart of the vehicle, but also take a closer look at the body paint has no trace of make up, zero Has the parts been replaced or is a refurbished car that has passed the accident. If there is a collision in the front position of the mobile LED advertising vehicle, then basically only the paint will be repaired during the repair. However, obvious marks will still be visible in the hatch cover, so you can observe it carefully. If there are new traces around the hatch that have been repaired or sprayed, it is possible to determine if the car was an accident. The use of the appearance of the investigation method, but also can not directly determine the status of second-hand mobile LED advertising vehicles, the following needs to check the internal situation of the body. Buyers can try to drive a second-hand mobile LED advertising vehicle to see if there is a problem with operability. Then observe the use of some interiors in the car to see if the seats and liners are clean and whether they have been completely replaced. When driving a second-hand mobile LED advertising car, be sure to pay attention to the use of the engine. State, if there is a relatively heavy knocking noise when starting, it may be that the engine or some related components have failed. The last step is to check that the LED screen is turned on, play any content casually, and look at the flatness and texture of the screen. The purchase of second-hand mobile LED advertising vehicles also needs to have complete procedures, if it is not possible to provide complete or not to buy well, to avoid the loss caused by certain key formalities. Before a second-hand mobile LED advertising vehicle trades, it is necessary to check the vehicle's travel book, registration certificate, car purchase invoice, maintenance fee, and other bills. Buying a used mobile LED advertising car must go through a legitimate process. Wuxi Changchen Technology Co., Ltd , https://www.wxchangchen.com