The main objective of the company SIGMA S.A. is ‘SYSTEMATIC IMPLEMENTATION OF NEW SOLUTIONS’ for the design and production of machines, equipment and comprehensive technology for the mining or waste industry and energetics. A very wide range of our machines such as air-ventilators, belt conveyors, underwall chain conveyors, dust collectors, allows us to offer complex technological systems for: headings, conducting mining operations and ancillary services. Our products are tested in the technical and scientific research units. Mining machinery and equipment manufactured by SIGMA S.A. is used in Russia,Argentina, Romania, Vietnam, Ukraine, Colombia and all coal mines in Poland. We are a recognized and respected partner on the market. We work with a lot of global companies such as: CATERPILLAR, SANDVIK, KOPEX, FAMUR.