... 2Investment & vacuum casting 3Inconel713c... 4Used yamaha outboard boat engine 5OEM service About companyOur company focues on the ... rotor, turbocharger, turbojet engine parts ,stainless steel casting,Carbon steel casting,Alloy castings,Aluminum alloy,etc. Maybe your ... property.Process: prepare the precoated sand;make the shell with shell mould machine;assemble the mould;smelting with electric ...