... your requirement or drawings9.professional service 10.surface treatment,polishing,machining,machining center,plating,HeatTreatment,ect. description materialstainless steel, cast iron, pig iron ... , AISI, ASTM, BS, JIS, etc.surface treatmentHeat Treatment, Polishing, Plating, Machining, Anodizing, shot, sand blasting, zinc plated, oxide, galvanised etc.processlost ...