... Date, Company Name, Brand, etc. , on Vehicle Body, Frame, Base Plate, Pillar, Engine, Connection Rod, Cylinder, Piston, Cylinder Sleeve, etc ... Date, Company Name and Brand in Name plates with Aluminum, Copper, Stainless Steel or PVC material.(6) To mark Dividing Rulers ... to marking quality subject to marking speed)Marking Material: Metals or Non-metals with hardness under HRC55Marking Depth: 0.02-1.5mm ...