Nanosecond UV laser cold light source marking headphones, high-definition mobile phone shell, no carbonization   Headphones and mobile phone cases are accessories and tools that we often use when using mobile phones, and in the production process of these accessories, the marking of logos is very important. An eye-catching and clear logo can help the brand show higher taste and more prominent design details, which is an advertisement for the event. For the clearly marked logo, RFH has a say.