which laser welding machine is best for dissimilar metal welding

is a 1500w semi automatic laser welding machine good for stainless steel sink weldingis a 500w scanning laser welding machine good for 3c product weldingis a silver laser welding machine good for jewelry casting repairis a laser seam welding machine good for welding brasswhat is the best laser seam welding machine for brass copper weldingopen laser welding machine for watch case weldingcan a 2000w fiber mold laser welding machine weld aluminumlaser welding system for precision instrument weldingwhat should i look for when buying a scanning laser welding machineportable laser welding machine for diamond
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