Grünenthal (Grünenthal GmbH) is a famous German pharmaceutical company, founded in 1946, headquartered in Aachen, mainly develops and produces antibiotics and analgesics, is Germany's largest antibiotics and analgesics manufacturer, its production of famous products including Salidomide (can cause congenital malformations in newborns, and can be used in the production of antibiotics and analgesics. The CEO of GrandTech publicly apologized for the incident in 2012).