Manual screw jack (mini screw lift) in the form of specifications have: JWM series manual screw jack (mini screw lift), SWL series manual screw jack (mini screw lift), SJ series manual screw jack (mini screw lift) SJ screw lift, QWL series manual screw jack (mini screw lift), CS series manual screw jack (mini screw lift) spiral screw lift, SJA series manual screw jack (mini screw lift ) screw lift, TP series manual screw jack (mini screw lift), manual screw jack (mini screw lift) can be part of the screw rod ends flat type, thread type, bolt hole, roof type in the application of four, in the use of the application or elected to do pull-type style applications. SJ worm screw lift installation Type A - Type D rotating screw moves up - down movement is not rotating screw type B - screw down the E-type rotational movement - moving upward rotation of the nut screw type C - - screw moves up without rotating the F-type - rotating screw nut moves downward SJ worm screw lift specifications by lifting force (t T): for 2,3,5,10,15,20,30,40,50 , 100 tons dozens. jw screw lifts, Runchi reducer (certified), screw lift from Texas Runchi reducer Limited. Texas Runchi reducer Limited (www.sddzjsj.com) is a leader in Dezhou, reducer, gearbox, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In Runchi reducer leadership with the staff warmly welcome all inquiries negotiations to create Runchi reducer a better future.