"BUMAR - KOSZALIN" products have been awarded with ISO 9001:2008 certificate and ISO 14001:2004,

The certificates confirm that our company works in accordance with the above standards, provides safe and high-quality products, puts emphasis on an effective customer service and cares about the environment. Additionally, since the beginning of its business activity WISS has followed a policy of sustainable development, which leads to the merging of three important spheres: social, environmental and economic.