what is the best automatic fiber laser welding machine for fence welding

is a 500w metal sign letter laser welding machine enough for welding galvanized steelcan a fiber laser welder be used for phone battery weldingcan a 500w scanning laser welding machine weld brassbest laser welding system for spot weldingbest qcw laser welding machine for pipe welding4000w laser welding machinerobot laser welding machine for metal furniturewhich is better 150w or 200w laser seam welding machine2000 watt portable laser welding machine for tinplateis a 600w metal sign letter laser welding machine enough for welding brass
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