Ningbo BOLEV Hydraulics Co.,Ltd is specialized in production of hydraulic components. It has been supplying quality components for hydraulic machines in engineering, metallurgy, oil, machine tools, construction machineries and replacement market for more than a decade, and it started to export to overseas customers of more than 45 countries from 2006. Bolev's major products are: high pressure ball valve, check valve, flow control valves, pilot operated check valve, directional control valve, test point, hydraulic quick couplings, and manifold on customers' request or design