![Fabric filters manufacturer Mann+Hummel's new plant in Nova Ves, Trebic region, Czech Republic, on Friday, September 6, 2013. (CTK Photo/Lubos Pavlicek Stock Photo - Alamy Fabric filters manufacturer Mann+Hummel's new plant in Nova Ves, Trebic region, Czech Republic, on Friday, September 6, 2013. (CTK Photo/Lubos Pavlicek Stock Photo - Alamy](https://c8.alamy.com/comp/DDT37X/fabric-filters-manufacturer-mannhummels-new-plant-in-nova-ves-trebic-DDT37X.jpg)
Fabric filters manufacturer Mann+Hummel's new plant in Nova Ves, Trebic region, Czech Republic, on Friday, September 6, 2013. (CTK Photo/Lubos Pavlicek Stock Photo - Alamy
![The headquarters of the Hummel & Hummel shoemaking company, Neuffer am Park, Pirmasens, Rhineland-Palatinate, Germany Stock Photo - Alamy The headquarters of the Hummel & Hummel shoemaking company, Neuffer am Park, Pirmasens, Rhineland-Palatinate, Germany Stock Photo - Alamy](https://c8.alamy.com/comp/MA44KB/the-headquarters-of-the-hummel-hummel-shoemaking-company-neuffer-am-park-pirmasens-rhineland-palatinate-germany-MA44KB.jpg)
The headquarters of the Hummel & Hummel shoemaking company, Neuffer am Park, Pirmasens, Rhineland-Palatinate, Germany Stock Photo - Alamy
![Mann+Hummel: Hidden champion fights fine particles | Business| Economy and finance news from a German perspective | DW | 07.02.2019 Mann+Hummel: Hidden champion fights fine particles | Business| Economy and finance news from a German perspective | DW | 07.02.2019](https://static.dw.com/image/47260299_303.jpg)