The separation type ultra slim type oil pressure jack has the ultra low closing height, can carry on the precise adjustment and the lifting in the very narrow working space, is suitable for the mechanical turbine, the heavy structure parts and so on docking operation Characteristic Part of the piston piston rod in welding copper, surface hard chromium plating, never cylinder, abrasion resistance Light weight, small volume, high pressure, high performance Single acting, spring back Suitable for lifting in a narrow space inside