Hydraulic jacks to buy: 1. A method of determining the top of the lift to use than actually required (lift tension) increased 20% to 30% of the load amount of jacks will be when a plurality of hydraulic jacks-mounted hydraulic jacks, since there will be no load uniform hollow hydraulic jacks, use a sufficient margin of top lift jack inverted or horizontal use thin hydraulic jack, when the front end of the piston rod fitted appendage appears difficult to reset or not reset the phenomenon Weight (external) no reset spring . Let the rod recovery in place, there must be 'force' is not the spring. Must be sealed 'compressed air' to reset the piston rod long hydraulic jacks, hydraulic jacks Shaoguan City, Texas aerospace hydraulic pressure provided by the Dezhou City aerospace hydraulic machinery plant. Dezhou City aerospace hydraulic machinery plant (www.sdhtyeya.com) strong, credible, in Dezhou hydraulic equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Texas aerospace hydraulic into the brilliant and you work for a better future!