prop stand of a bicycle ISO9001:2000 Approved Process:precision casting&Tooling Standard: JIS, DIN, ASTM,BS OEM service prop stand of a bicyclewe ... 2.Materials: stainless steel,cast iron,pig iron,carbon steel,alloy steel,non-ferrous,grey iron,ductile cast iron and so ... ,polishing,machining,machining center,plating,Heat Treatment,ect............... prop stand of a bicycle