Harrington mold is a multi faceted. Full service. Mold manufacturing Company. We are recognized in our industry as a leader in the design and manufacture of close tolerance highly mechanical molds such as unwinding and retracting molds and molds with collapsible sleeves and cores, expandable cavities and other highly mechanical actions. Our expertise encompasses a broader range of capabilities than those found in a typical mold making enviroment. Our core business is mold manufacturing and that is what we most certainly are equipped to do. Our goal is to provide customers the very best and most complete service possible. Harrington mold has made a specialty out of taking on projects with requirements and tolerances so critical other mold builders are not willing to compete.