• Completing functions of lifting, lowering, pushing and turning via the screw driven by the worm gear.
• Driven by electric motor, manual or other power sources, low-speed with heavy-load, vertical output.
• Compact structure, various types, self-locking function, high stability, good rigidity, small size.
• Used in drive devices of metallurgy, mining, petroleum, chemical, printing and dyeing, food industries.