During their week-long tour of Germany, a group of Japanese concrete block and cement producers took the opportunity of taking a look behind the scenes at FC Nüdling Betonelemente GmbH. The 15-member delegation was briefed on production processes and company tech- nology at the Seiferts concrete facility, part of FC Nüdling Betonelemente GmbH. One of the specialities of FC Nüdling is the production of AirClean paving stones, which have a proven effectiveness in reducing nitrogen oxides caused by environmental pollution.