razortek fiber laser welding machine in French

3in1 fiber laser welding machine is popular ,handheld welding ,0.8kg of the welding gun, easy to learn and use,our mainly market is Europe and America,see this 3in1 laser welder in French,our online service can help you correct use this machine ,some welding tips can help you do good welding job .like how to use the wire feeder, how to welding aluminum and steel, parameter setting, how to avoid the wire feeding got stuck etc.