This title encapsulates the main content of the article, which focuses on the key machinery involved in PCB manufacturing and their applications in the production process. The title is concise and informative, attracting readers' interest in the PCB manufacturing process and the equipment required.

These machinery, each fulfilling its unique role, collectively form an efficient and precise PCB production line. With continuous technological advancements, these machines are constantly being upgraded and replaced, infusing new vitality into the PCB industry's development.