Screw jack, also known as mechanical jacks, screw pair by human transmission Liaoning 200 tons of flat cylinder, screw or nut sleeve cited as the top piece. Ordinary screw jack screw self-locking effect by heavy support, simple structure, but the low transmission efficiency, return slowly. Jack is one of the tools of mechanical lifting species manual is compact 200 tons of flat cylinders, swing rocker reasonable use, make small gear, bevel gear through a co-operation of Shandong 200 tons of flat cylinders, rotary screw drive, push lifting sleeve, whereby the weight up or down. Henan 200 tons of flat-cylinder, 200 tons of flat cylinders, Texas aerospace hydraulic provided by 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 the Texas Aerospace Hydraulic and you hand into the brilliant, for a better future!