C373 Logistics System Construction

If the Dongchen Electronic Engineering only operated on the unevenal line, Zhang Yunfeng's current production capacity would be sufficient. After all, the sales of high-end smartphones in this world were only less than 400 million per year. Currently, the production of 1 million units per day was enough to cover the area of high-end smartphones. However, Zhang Yunfeng's goal was not only this