Sand Casting Aluminum Valve Body Our custom casting services include die casting, gravity die casting (permanent mold), investment casting (lost wax), and sand casting. With more than 20 years of industry experience, you can depend on our casting product manufacturing capabilities to meet the needs of the automotive, mechanical, electrical, kitchenware, industrial, appliance and aerospace industries, worldwide. We are committed to pursuing the latest industry technologies and resources to meet your custom casting needs.