With jingdong Fangchengdu factory mass production, flexible display formally came to people's eyes. People fantasize about when they can roll up a phone and put it in their pocket, or fold a Pad. In fact, there are a lot of technical challenges that need to be solved to roll up the phone, such as making the battery flexible, making the circuit board flexible... Today, we are together with the flexible circuit board FPC technology, FPC technology development trends and FPC material technology trends. In recent years, the demand for FPC in civil electronic equipment is increasing rapidly all over the world, especially in portable electronic equipment such as mobile phone and thin image equipment such as flat screen TV.