Our global network and the industry's largest selection of honing machines allows us to be close to you and provide the appropriate solution in every country worldwide. As the largest integrated honing system supplier, we maintain advanced technology centers around the globe. Sunnen AG in Switzerland as our European Technology Center and one of four manufacturing plants with more than 25 years of experience. More than 50 employees provide specialized Tube Honing systems and customized automation and application solutions. No matter what your bore sizing challenge may be, anywhere in the world, we have the "Sunnen Solution" for you!