... superior quality 2advanced equipment&skilled worker 3strict QC 2011 OEM investment aluminum casting flange1:OEM service available2:Material: aluminum,grey ... GB4:Weight Range: 0.1kg-2000kg5:Process Type: sand casting, investment casting,water glass casting,high temperature resistance casting,forging ,machiningPRODUCT ... : 0086-411-83701520Fax:0086-411-83704610 2011 OEM aluminum investment casting flange