In Fortune 500 listing of top companies, Parker Hannifin Corporation is the world's leading diversified manufacturer of motion and control technoloies with over 1400 production lines distributed in around 1000 fields, providing systematic, precision-engineered solutions for hydraulic, pneumatic and electromechanical controls. Parker offers the broadest range of construction machinery hydraulic products, from pumps, motors to motion controls. All of them adopt advanced technology and stringent technics to guarantee their reliability and service life under bad working environment. They can stand higher pressure and temperature, and improve the efficiency of the hydraulic system.