... materials, and treated by high-frequency heat, it increase machine life. 3,Saddle adopt the high-strength composite materials ... the pressure. Guarantee the stability.5,Lifting Range: Jack can lift or lower freely within the range, stop ... capacity.7,Platform uses thick steel, strengthening design. Jack smooth lifting, not deformation.8,Jacklight: LED light, ... /GS,CE,UL,ROHS,ISO9001:2000. Electric car Jack