Simply the fastest, most cost-effective thermoplastic molding system in the world today.

Our Hetero-Cavity® System is a groundbreaking custom-injection molding process that utilizes interchangeable, multi-cavity molds that allows up to thirty different plastic parts to be produced simultaneously.  We invented the Hetero-Cavity® System to facilitate ease-of-use for manufacturers who need small plastic parts quickly and inexpensively, and may need to change those parts as the marketplace evolves or their company grows. Our plastic molds, modular molds and low cost resin molds help any company stay ahead of the competition.

The Hetero-Cavity® System is the most cost-effective solution for mass producing customized, quality plastic molds and modular molds. The Hetero-Cavity¬Æ Division at National Molding works with the client's engineering, production, and quality control departments to facilitate effective communication and cost-efficient results.

The Hetero-Cavity® System combines craftsmanship, innovation, technology, and low-cost thermoplastic mold manufacturing with personalized customer service. We customize your plastic injection molding approach with low cost tooling to keep pace with the changing demands in the plastic mold industries. Our injection molding process gives our clients that competitive edge.

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