However, the investment is very large. At present, it takes about 5 million yuan to invest in a charging station. The point is that you can't grant land. However, we can consider a mobile charging station, which can directly join the Comovo new energy charging station, and the cost is very low, so we can consider it. Privately operated charging piles must be audited by the State Grid, and then apply for a business license in industry and commerce.