new design advertising words laser welding machine 1.easy to use 2.graceful outline ... 4.low price DKLW-S60 advertising words laser welding machine weld metal with using a high energy pulsed laser ... aluminum,and other metal and alloy.Advantages:1.Humanistic design, a tight structure of robot arm ,arbitrary rotation ... , Temp :13-28°C ,Humidity :5%-75% New design advertising words laser welding machine