Plastics, with their versatile properties and widespread applications, have undeniably become an integral part of our modern world. From consumer goods to industrial components, their presence is ubiquitous. However, the ability to accurately engrave, etch, and mark plastics has often presented a challenge due to their sensitive nature. Enter the groundbreaking solution: the 355nm ultraviolet laser with water cooling technology. This remarkable innovation has revolutionized the art of plastic marking, offering unprecedented precision, efficiency, and durability.