Our company, supported by relevant scientific and research institutions, has developed patent hydraulic elevator ,Hydraulic pump, Hydraulic jack,which has been widely used in petrochemical projects for raising and moving storage tank or other equipments without any limits of directions of object’s movement. We have taken advantages of our hydraulic products well and got such achievements as installation of settler in Daqing Oilfield Petrochemical Headquarters, raising the 30,000m3 of storage tank project in Jiujing Refinery of Jiangxi province. And the product was used for lifting the 320 tons of upside- down- cone water tower up to 38 meters in projects of Handan Iron and Steel Group, Hebei province; Raising 180 tons of signal tower to 76-metre height in the construction of Shenyang Supreme People’s Court Liaoning Province; Huaneng Power Plant(Dandong, Liaoning Province) used our products to complete the sliding hydraulic high-rise construction for building 210-metre chimney; In 2004, 180pcs of hydraulic elevators were used and 78pcs of different sizes of storage tanks were instalin Huizhou City, Guangdong Province. 50 meters horizontal movement of oil-refining equipment was successfully finished by our product in Qilu petrochemical refinery. This product in the petrochemical project builders, has been received every well.