Montville Plastics & Rubber

We are a full-service design engineering and manufacturer of injection molded and thermoplastic parts, extruded tubing and profiles. We provide customers with complete injection molding tooling services including modeling, .. Whether you need a functioning prototype or a full production run, we are your full service partner. Integrating over 70 years of success with quality processes and technology, we offer front to back services to meet any project requirements you may have. Everything we do revolves around meeting the needs of our customers and their product goals. PM Plastics applies more than 70 years of plastics manufacturing and mold engineering design experience into every project. A manufacturing process for forming objects, as of plastic or metal, by heating the molding material to a fluid state and injecting it into a mold. We can assemble and package as a finished product or as a kit to be assembled on-site.

Montrose Molders offers its customers intelligent and creative solutions to their inejction molding, extrusion, tooling, part decoration and assembly needs.​. Today, over fifty years later, Montrose has developed into a vertically integrated manufacturer capable of providing its valued customers with a variety of services. Montrose can aid in your industrial part design requirements, manufacture your tool or die, manufacture your most complex plastic part and decorate and pack assemblies of any kind. Montrose is truly a one-stop solution for all of your plastics manufacturing needs. Large or small, tight tolerance or not, engineering grade or commodity, Montrose Molders is the place for your next extrusion project. Since its inception in 1966, Montrose has provided its customer with the latest technology in engineering and mold production. Whether aluminum or steel, we can manufacture your mold right here in the United States. One of our sales engineers will work with you to quickly and easily provide a proposal for your project.

We deliver on the most challenging, close tolerance, precision profiles with industry-leading engineering, production, quality and logistics. Five years later, we are still pleased with our decision to partner with a top tier plastics supplier.”. We’re here to help you through all steps of the product creation process. We put our years of experience in delivering the most complex plastic extrusions to work for you. From design to delivery, prototypes to full production, Valley guarantees products that are on time and in spec. Innovation is what we do at Valley – we’re committed to superior product development, delivery and pricing. Our manufacturing partners come to the valley when they have challenging production requirements they’re unable to meet anywhere else. This often includes engineering and production support of plastic extrusions that require close tolerances, precision profiles, and in-depth secondary fabrication needs such as punching, drilling, notching, or hardware insertion.

We have been in business since 1965 providing custom thermoplastic products to the appliance, automotive, construction, electrical, liquid dispensing, marine, medical, off-shore oil exploration and plumbing markets. We have three manufacturing facilities in Middlefield where we extrude, injection overmold, cross-link, and perform fabrication operations. Our core competencies include custom profile extrusion, extrusion of tubing, injection overmolding, our patented Air-Core® blow molding technology, cross-linking and fabrication, such as forming and assembly. In addition to manufacturing, our primary facility also houses our administrative offices and our Innovation Center. This facility houses a five megavolt electron beam that allows us to cross-link a variety of polymers.

Full service new product development from concept to production. PolyTech Plastic Molding is a custom injection molder and extruder who has a wide variety of services to offer its customers. Our tool room is equipped with state-of-the-art machining centers and mold making equipment. We have systems in place to ensure on-time delivery, quality, and performance of the molded products that we provide – wherever you are. Customers experienced 99% on time delivery over the past 5 years.

We are dedicated to providing high quality extrusion and injection moulding products coupled with custom assembly and packaging solutions to ensure we meet our customer’s individual needs. We believe the best way to achieve this goal is through the use of high quality raw materials; a well equipped manufacturing facility and a skilled employee group. R&M’s staff uses a combination of experience, knowledge and the latest design technology to produce plastic products that work. R&M Plastic Product Ltd. has been making custom plastic extrusions and injection molded parts from the simplest design to the most complex for almost half of a century. The environment is a sensitive organism, and R&M Plastic Products Ltd. is committed to do what we can to keep our environmental impact to a minimum.