... OEM service prop stand of a bicyclewe can offer you casting partsIf you are interested in our company, please kindly send us ... steel,alloy steel,non-ferrous,grey iron,ductile cast iron and so on 3.Process: lost wax process, soluble ... requirement or drawings8.professional service 9.surface treatment,polishing,machining,machining center,plating,Heat Treatment,ect............... prop stand of a bicycle