RFH high power uv laser source for marking plastics in a wide area, fast and high definition Excellent plastic marking results, the RFH 10w UV laser is amazing   Plastic is the most widely used material in our lives, and plastic marking is a commonly used graphic engraving method in plastic production, which enables the required graphic to be displayed on the product. In the evolution of production, the marking technology has also evolved from the traditional ink jet coding method to the laser marking method.