D.N.P Industriale Srl has been manufacturing quick couplings for hydraulic systems since 1985. Precision, innovation and reliability are the strengths that have made DNP a leading brand in the global industry of quick couplings. DNP produces and produces Push Pull valves, screw valves, flat valves and special executions. 95% of our production is exported all over the world. All products are manufactured in-house in DNP factories in Italy with constant monitoring of product quality according to DNP quality is a goal that goes beyond the finished product.