which is better 400w or 500w jewelry laser welder

is a 1000w portable laser welding machine good for stainless steel kitchenwareportable fiber laser welding machine from chinacan a 600w scanning laser welding machine weld titaniumdoes a laser mold repair machine work on aluminum alloy400w laser welding machine for aluminum alloybest mould repair laser welding machine for press die repairis a portable laser welding machine good for vehicle body repair500w fiber transmission laser welding machine for brasscan a 600w laser seam welding machine weld aluminumbest metal sign letter laser welding machine for brass
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