Steel industry hydraulic cylinders are one of BARNIER’s most important fields of activity : Standardised and special hydraulic cylinders, servo-hydraulic cylinders, rotative hydraulic cylinders, piston accumulators and nitrogen reservoirs ... for reheating and walking beam furnace, electric arc furnace, rolling-mill cages, skin pass, continuous casting, winders, coking mills ... Public works hydraulic cylinders are another BARNIER’s field of activity with prestigious references for electro-hydraulic dams, suspension bridges, locks and tunnels.