... &Tooling Standard: JIS, DIN, ASTM,BS OEM service prop stand of a bicyclewe can offer you casting partsIf you are interested in ... us your detailed information such as drawing, specification, chemical composition and so on, we would like to provide you OEM service ... steel,alloy steel,non-ferrous,grey iron,ductile cast iron and so on 3.Process: lost wax process, soluble glass process ...