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“Zero Defect Molding.”  It’s not just our goal; it’s our way of business.

Welcome to M and N Plastics, a leading supplier of custom functional black plastic injection molded products to the automotive and non-automotive industries. We support all forms of functional plastic, including, thermal injection molding plastic and insert molding up to 700 tons.  M and N Plastics is both TS and QS Certified for your assurance of consistent zero defect molding for even the largest assembly production runs.

M and N Plastics works with all engineered and non-engineered grades of plastic resins.  We can assist with mold design and mold flow analysis for your engineering needs.

Contact sales for a free quote.

Serving North and Central America with facilities in
Sterling HeightsMichigan
El PasoTexas

thermal custom black plastic injection molding zero defect
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polypropylene tpo santoprene acetal copolymer plastic injection machine
Sterling Heights, MI Facility
El Paso, TX Facility