5G-related chips can be divided into many types according to different equipment\/terminal uses, communication network equipment, Internet of things devices in various industries, home smart terminals, car networking, and mobile phones and wearable devices most relevant to the people. The manufacturing process of different device chips is very different. What is great is the 7nm and 5nm chips on high-end mobile phones. This independently developed and produced in China is still at the stage of 28 nm, and there is still a gap between two or three generations with foreign countries.