Zhejiang Xianding Hydraulic Co Ltd (XDH), a high-tech enterprise of Zhejiang province, is one of oldest specialized hydraulic components plants in China, which was established in 1969. Together with a professional Research & Development team and efficient management system, XDH has various precision machining machine-tools and special facilities for manufacturing vane pumps, power steering pumps and engineering valves. And it has passed ISO9001:2000 quality management system certification. The company is specialized in manufacturing various hydraulic vane pumps pressure from 6.3 to 25MPa, and various series of middle-high pressure engineering valves. Main products are: V series low noise intra-vane pumps, VQ series high speed and pressure intra-vane pumps, YB series middle pressure and middle high pressure vane pumps, PV series low noise vane pumps, various types of variable speed operating valves, multiple directional valves and so on. The products are widely applied in range of machine-tool, vehicle, metallurgy, shipyard, engineering machinery, plastic machinery and other industries. Many well-renowned Chinese corporations purchase the products manufactured by XDH as key components. The products not only go to every part of the country, but also launched into international markets, such as North America and South East Asia. XDH has been enjoying a good reputation through out the industry.