"Zero Defect Molding." It's not just our motto; it's our business!
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Welcome to M and N Plastics, a leading supplier of custom functional black plastic injection molded products with facilities in El Paso, Texas and Sterling Heights, Michigan. We mold engineered functional  plastic components including thermal injection molding of class A parts and insert molding. Our press sizes range from 85 ton to 700 ton.

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.  We work with all engineered and non-engineered grades of plastic resins, and we can assist with mold design and mold flow analysis for your engineers. 
Contact sales for a free quote.

Serving North America, Mexico, Canada and Central America with facilities in El Paso, Texas and Sterling Heights, Michigan.