... part 1.Carbon steel: 20mm, 2.Stainless Steel: 12mm, 3.Aluminum and its Alloys: 8mm 4.--Tolerance: +/-0.05m laser cutting service ... ,sheet metal part,Fabrication1,with ISO9001 Certificate2,Low Price,Strict Quality Control ... in steel structural , sheet-metal working,laser cutting service,CNC bend service,stamping parts, metal box ,metal products and so ...