Because laser processing is a precise processing technology, it is more widely used in the fields of digital, mobile phones and computers, such as mobile phones MP4、MP3、 Laser marking of charger, memory, keyboard, power adapter, memory card, U disk, flash card, laser welding of mobile phone, MP4, MP3 shell, spot welding of interface line, notebook computer, optical fiber equipment, laser peeling of data line and shielding line, laser resistance adjustment of communication digital equipment.