... semi-automatica Eyeglasses Frame Laser Welding Machine Machine Performance:Laser welding machine have high laser power, energy stability, ... metal surface. It widely used for electronic components, integrated circuit(IC), hardware, tools accessories, precision equipment, jewelery, ... instruments, etc., and metal related industries.Technical Parameters:Laser type: Nd:YAG crystalModel: 100A 200A 300A 400A ...