In recent years, my country's new infrastructure industry represented by 5G, data centers, artificial intelligence, and industrial Internet has developed rapidly and changes with each passing day.

   In March 2020, the Political Bureau of the CPC Central Committee held a meeting. The meeting decided to accelerate the construction of new infrastructure such as China's 5G network and data center. At this point, my country has upgraded the new infrastructure to a national strategy and pushed it forward at full speed.

    PCB (Printed Circuit Board), known as printed circuit board, or printed circuit board, is an important electronic component, a key interconnection of electronic components, and plays a vital role in many electronic devices and products . It has a wide range of applications in new infrastructure fields such as 5G, data centers, artificial intelligence, and industrial Internet.