A new Name for Pioneering Spirit and Innovation With more than 70 years of experience in processing plastics, Quadrant has become a reference for innovation. We have made many key groundbreaking developments since the invention of plastic. Plastics pioneers such as Polymer Corporation / Polypenco, Erta, Poli Hi, Solidur, Cestidur and Symalit are combined under the umbrella of the Quadrant Group. Quadrant was founded in 1996 by three future-looking pioneers with an innovative business idea. Ten years later, thanks to a consistent focus on promising niche markets, the company has become a leading player in the global plastics industry employing more than 2000 people in 20 countries. The entering into a strategic partnership with Mitsubishi Plastics in 2009, has further strengthened Quadrant’s global leadership position.