Köhle-Beton GmbH, based in the German town of Wertingen, is specialised in the manufacturing of concrete products for underground construction. The product portfolio includes the manhole range conforming to DIN 4034 part 1, DN 1000 mm and DIN 4034 Part 2, DN 800 mm to DN 2000 mm. The manufacture of these concrete manhole elements has been carried out since very recently on a new Karibic-type production plant supplied by BFS Betonfertigteilesysteme GmbH from Blaubeuren in Germany.