Leading engine manufacturers and their licensees all over the world are among STI Group's satisfied customers. The coating system specifically developed by STI Group for ship and stationary engine components meets top functional and cost-efficiency requirements. The service range includes the hard chrome surfacing and grinding of piston ring grooves, of new and worn piston crowns of 2- and 4-stroke engines and the coating of piston rings, piston skirts, cylinder liners, cylinder heads, crank shafts, valves and other components. These components are surface treated by STI Group for use in ship diesel engines, diesel power stations, gas engines or heavy fuel oil engines (HFO) and dual fuel engines (DF).