Harman Plastic Competitors

Polymer Industries is a world leader in the manufacturing of polyolefins, engineering plastics, and high performance plastics. We produce stock shapes of sheet and rod and ship our products all over the US and throughout the world. Due to the capabilities of our multiple production facilities, we offer one of the broadest product portfolios in the performance plastics industry. This allows us to offer our customers everything from stock shapes to specialty products such as hurricane panels and truck liners. While we have a global presence and reputation of excellence, we are a family owned and operated business. Since 1975 we have remained committed to providing not only the best products in our industry, but the best service to our customers as well.

Founded in 2014, Quantum Plastics, LLC was created as a holding company by Quantum Ventures of Michigan. With 6 manufacturing locations, Quantum Plastics produces parts for almost every industry. From the water-cooler at the peewee football game and the food storage containers in your refrigerator (and maybe even part of your refrigerator) to the cluster on your dashboard, we are sure you have come across a Quantum Plastics product. Quantum Plastics was established with the objective of creating a world-class plastics company centered in the idea of multiple product segments offering a variety of processes with a global footprint. This fundamental desire to be the undisputed leader in engineering and quality is what drives Quantum Plastics.

Royal plastics is a competitive and innovative custom injection molder. We have many unique capabilities and focus on customer satisfaction and on-time delivery. An overview of our capabilities includes: • HQ in Mentor, OH with manufacturing in Mentor and China • Mentor, OH – 150,000sq ft w/ 51 presses & ~ 250 employees • Shenzen, China – 200,000sq ft w/ 46 presses & ~ 850 employees • ISO 9001:2008 certified • In-house quality system • 55-850Ton press range • Global Sourcing: domestic and international mold building, assembly, metal stamping, and production • Specialization in complex parts • Complete part design and DFM including polymer evaluation to ensure new part success • Stress and mold-fill analysis • Ability to machine parts after molding to tolerances of 0.001” (0.025mm) • Decorating, finishing, assembly, and packaging available • Assembly lines that manufacture products in industrial, home appliance, personal hygiene, automotive, health care, and many other industries • Circuit board design and assembly services available • Cost reduction analysis Contact us today to see how we can help you with your manufacturing needs.