verzinkerei-rentrop.de zoominfo.com/c/verzinkerei-rentrop-gmbh/1103509945 Verzinkerei Rentrop GmbH is a German industrial company founded in 1929 in Plettenberg, NRW, specializing in steel surface treatment — primarily hot-dip galvanizing, electrogalvanizing, and phosphatizing. The company also produces steel products such as protective grids, fencing, sheets, and profiles. After filing for insolv