Our product include OEM casting parts,auto & motorcycle parts,marine & railway parts,machining parts,maching parts,flange,etc. 1) Process : investment casting , sand casting , mirror polishing , water glass casting , etc .2) Material : casting steel , stainless steel , alloy steel , grey iron , etc .3) Standard : GB / ASTM / AISI / BS / DIN / JIS4) Trademark : JGQ5) Business scope : In North ...