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For more than seven decades on the market, Riosulense has been among the largest manufacturers in Latin America of guides, seats, valve tappets, cylinder liners and special alloy castings. It also has in its portfolio valves, hydraulic tappets, springs and gloves of the injector nozzle. With more than 700 dedicated and skilled employees and extensive investment in technology and process innovation, we have achieved a leading position in the sector. Quality and credibility represent the company, which has among its principles the innovative spirit, the promotion of the national economy and the commitment to the client.