... customed surface treatment plastic coffee machine lid Specifications:1) Suitable for various automotive, electronic, telecommunications, mechanical ... Mitutoyo concentric circles, optical projectors, Mitutoyo fineness instruments for inspection, EDM, high speed CNC machine, Sodick ... requirements6)Material: iron/aluminum, copper, alloy, carbon steel, 18CrMnTi,20CrMnTi,20Cr,20CrV,1045 steel, others ...