what is the best metal sign letter laser welding machine for brass letter welding

what watt metal sign letter laser welding machine do i need for welding cold rolled steelwhat is the best channel letter laser welding machine for metal sign makingcan a 1000w continuous wave laser welding machine weld brassis a 1500w handheld laser welding machine good for kitchen cabinet assemblycan a 200w pulsed laser welding machine weld stainless steel sheetcan a gold laser welding machine weld silver alloyis a semi automatic laser welding machine good for stainless steel sink weldingis a 600w galvanometer laser welding machine enough for welding steelwhat is the best laser seam welding machine for titanium weldingcan a laser welding system be used for precision instrument welding
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