1. Our factory, supported by relevant scientific and research institutions, has developed patent hydraulic elevator which has been widely used in petrochemical projects for raising and moving storage tanks or other equipments without any limits of directions of objects movement.2. We have taken advantages of our hydraulic products well and widely and got such achievements as installation of settler in Daqing Oilfield Petrochemical Headquarters and raising the 30,000m3 of storage tank project in Jiujing Refinery of Jiangxi province.3. Besides, the product was used to raise the 320 tons of upside- down- cone water tower up to 38 meters in projects of Handan Iron and Steel Group, Hebei province and raise 180 tons of signal tower to 76-metre height in the construction of Shenrang Supreme Peoples Court, Liaoning Province.4. Huaneng Power Plant(Dandong, Liaoning Province) used our products to complete the slipform performance for building 210-metre chimney and the year of 2004 saw 180pieces of hydraulic elevator installed78 piceces of different sizes of storage tanks in Huizhou City, Guangdong Province.5. Horizontal movement of oil- refining equipment was finished by our product successfully. With the application and achievements, our products have been enjoying a good reputation in petrochemical business circle.