1Nickel based alloy castings 2Investment & vacuum casting 3Inconel713c... 4Used yamaha outboard boat engine 5OEM service About companyOur company focues on the technique of Lost-wax,Silicon sol precision casting,Investment & vacuum casting,and our compay is an ISO9001:2008 certified company engaged in manufacturing of world class Nickel base alloy castings,Stainless steel castings,Alloy steel ...