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By certification 
Vertical screw jack is suitable for railway vehicle maintenance, mining, construction engineering support and general weight lifting. As portable, easy to maintain, safe and reliable, so it is widely used in the lifting operation of the mobile,
Characteristic
Light design, economical and practical
Bearing radial axial force, so that the lifting jack up and down more stable
The internal use of worm gear design, big transmission ratio, high efficiency
Characteristic
Light design, economical and practical
Bearing radial axial force, so that the lifting jack up and down more stable
The internal use of worm gear design, big transmission ratio, high efficiency
