Marking yoga mats, RFH UV laser source has a solution   As young people pay more and more attention to health preservation, exercise and fitness, yoga, a project with a small area, simple foundation, and less cost, has gained popularity. The production of yoga mats has also expanded under the promotion of yoga. The special materials of yoga mats make it difficult to achieve under normal marking. Therefore, RFH UV laser sources have spent a lot of time on research.