NINGBO HuaYuan Casting Machinery Factory is one of China professionally manufacturer and dedicated supplier of various castings including Investment casting, sand casting and Aluminum die casting one. For investment casting, we adopt the method of soluble glass, complex shell, silicasol to make precision casting parts. And for sand casting, we adopt resin sand process to make grey iron and ductile castings. As for die casting, mostly we make the aluminum or alloy aluminum casting parts.