Toner Plastics, Inc. | Extrusion, Molding, Compounding Toner Plastics provides plastic manufacturing services. We specialize in plastic injection molding, plastic extrusion, design engineering, complex mold manufacturing, tooling and toll manufacturing. W Toner Plastics provides plastic manufacturing services. We specialize in plastic injection molding, plastic extrusion, design engineering, complex mold manufacturing, tooling and toll manufacturing. We will work with you to provide a customized plastic solution for your application.