Ningbo Jiangbei Yuzhou Hydraulic Equipment Factory,Established in 1995, specializes in the R&D, production and sales of hydraulic systems and components for engineering machinery.Yuzhou is mainly engaged in the research and development of high-pressure hydraulic valves for engineering hoisting machinery, earthmover, concrete machinery, mining machinery, handling machinery and excavator machinery. Recently it has manufactured five series of products in over 100 specifications. Up to now, it has applied for 45 national patents including 21 patents for intention. With leading quality in China, it has enjoyed high reputation in the industry.In 2005, the company set up ?Yuzhou High-pressure Hydraulic Valve Engineering Technology Center? which was led by a R&D team composed of more than 30 senior experts with State Council allowance, senior engineers and engineers. Through years of endeavor, ?Yuzhou? products have been appraised as a branch product of Ningbo and widely accepted by all sectors of the society.We have launched the Ningbo test base of the testing ground of military recreational vehicle for engineering machinery, co-established Jiangbei Yuzhou Technical R&D Center with the Engineering Machinery Research Center of Dalian University of Technology, co-built the ?intelligent monitoring and data collection system for high-pressure hydraulic valve testing? with Zhejiang University.