• 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, self-locking function, high reliability, various types, small size, long life.
• Used in drive mechanism of metallurgy, mining, lifting, cement, light, food, textile and other industries.