... GSI/IPG fiber 400W source 12m/min speed metal sheet/ steel / CE&FDA JQ-1325-400W fiber laser ... mainly used for cutting & processing mild steel sheet, stainless steel sheet, aluminum alloy sheet and many other metal materials. As High- ... steel, aluminum alloy, iron, etc. Applicable industries:Aerospace technology, aircraft, rocket, robot, elevator and steamship manufacturing, sheet metal cutting, ...