Note the use of hydraulic jacks selection hydraulic jack at the lifting operation, to select the appropriate tonnage hydraulic jacks: not overload the carrying capacity, select the carrying capacity of hydraulic jacks must be greater than 1.2 times the weight of gravity; minimum height suitable hydraulic jacks, electric hydraulic jacks, in order to facilitate removal, hand pressure jacks, use hydraulic jacks minimum clearance height and weight should be at the bottom urging adapt, hydraulic jack, during landing pad support heavy sleeper, the Yunnan jacks, hydraulic jacks lifting height greater than the thickness of the sleeper sleeper deformation combined. 1. spring return 2. 3. suitable for small work space can use multiple synchronous lifting hydraulic jack hydraulic jack 4. With thrust using function 5. small size, light weight, large tonnage Lu lifting Hydraulic (FIG), hand pressure jack, jack provided by the Texas Yunnan Lu hydraulic equipment factory. Texas Lu force hydraulic machinery plant (www.luliyeya.com) located in Dezhou City, Shandong Province, seven West Industrial Park. Scraps and development in the wave of market economy, the current Lu hydraulic force has a high profile in the hydraulic machinery and parts, and enjoy a good reputation. Hydraulic Lu made the whole network business alliance certification, marking our service and management level has reached a new height. Lu Hydraulic staff willing to work with all people of insight and common development, for a better future.