... 3.fiber transmission 4.for metal welding lazer welderMetal Laser Welder for Steel,Stainless Steel,Aluminum,Alloy,CopperLaser welding has the ... Machine? (2) Which Material will be processed? stainless steel,metal,wood,acrylic,fabric,leather,textile etc.? (3) What is the size ... .m.a.i.l : yoyo(at)goldenlaser.org Metal Laser Welder for Steel,Stainless Steel,Aluminum,Alloy,Copper