Established in 1984, Melt Design, Inc. (MDi) has quickly become a leader in supplying custom engineered Hot Runner systems and components to the plastics industry. When it comes to Hot Runner systems, your requirements are unique. So are our solutions.


We are proud to be a valued supplier for the mold making and thermoplastic processing industry.


MDI has been providing superb quality and unprecedented value as a supplier of cutting edge technology to the plastic industry.



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