... JIS, DIN, ASTM,BS OEM service prop stand of a bicyclewe can offer you casting partsIf you are interested in ... to provide you OEM service.1.OEM service available 2.Materials: stainless steel,cast iron,pig iron,carbon ... non-ferrous,grey iron,ductile cast iron and so on 3.Process: lost wax process, soluble glass process , silicon ... center,plating,Heat Treatment,ect............... prop stand of a bicycle