Water Cutting

We offer high pressure water cutting services that enable quick and accurate material processing.






Gasket Sheets

Polonit Gasket Sheets made by SEMA Group sp. z o.o.






Technical felt

Our Wool Felt is used in many industries as gaskets, washers, etc.






Fabric compensators

The compensators offered by our company enable proper operation of various installations and are characterized by excellent parameters.






Hydraulic and pneumatic seals

We offer hydraulic and pneumatic seals on-site using state-of-the-art technology.






SEMA Group Invest Sp. z o.o. is a young and thriving company, which was created on the foundations of SEMA, a pioneer in the field of technical seals and thermal insulation in Poland. In our favour speaks a wealth of experience, a team of highly qualified staff, integrity, professionalism at the highest level, high quality of service and products, individual approach to every customer and comprehensive customer service. Our advantage over competition is that we constantly invest in modernization and improvement of production processes (technologies and machinery). We continually increase the range of our services. We also carry out regular material checks and customer satisfaction. The foundation of our business is services such as water cutting and CNC machining. We offer not only products, but service, modernization and testing of existing industrial installations as well.


Our offer includes:


more than


satisfied customers

more than


years in the market

more than


completed orders




SEMA Group Sp. z o.o. works with companies from all over the world in both import and export. We supply companies operating in such industries as: energy and heating, refineries and petrochemicals, chemistry, metallurgy, mines, shipbuilding and mining.