When you want to buy laser welding machine, there are 4 factors you need to know 1. Laser welding machine has 3 types: 3D type,table type,hand held type. Nowadays,hand held laser welder is becoming more and more popular because it is very flexible to use,takes very small space and easy to move. XD laser offer hand held fiber laser welding machine with laser power 1KW,1.5KW and 2KW. We will help you to choose the most suitable laser power.