GERMANY (Notifix).- Siempelkamp GmbH can look back on a highly successful business year in 2011: With a share of 700 million Euros in group sales, the company headquartered in Krefeld, Germany, increased revenues compared to last year's results. New orders amounting to 600 million Euros and a current order backlog of 1 billion Euros result in full capacity utilization of all production facilities until the end of 2013.