The company Dohrn Trading GmbH – Your Plastic Partner – is your reliable trading company for all kinds of thermal plastic compounds be it regrinds or regranulates. Since our founding in 1992, our partners are the plastic processing industries: automobile, structural and civil engineering, horticulture, household, computer, office and school utensils, furniture, technical equipment etc. — the scope of application of our compounds is just as versatile as our product range.