National Molding LLC is a global Leader of injection molded components specializing in our Hetero Cavity Modular tooling. Loc ... ated in Florida, Pennsylvania and Shanghai, China. Specialize in Automotive and Military products in engineered resins. The Hetero Cavuty System offers unusually low tooling cost and globally competitive unit pricing with some of the quickest lead times seen in the industry. Employment Opportunities go to Website link below: read more