Spiral screw lifter: WPT series spiral screw lifter is widely used in industries such as mechanical equipment, ceramic production, glass machinery, woodworking machinery, metallurgy, construction, chemical industry, medical care, textile, etc. It has self-locking function, convenient and practical, and can be used for mechanical device lifting, positioning, and displacement. Features: Small size, light weight, reversible operation, multiple functions, low noise, compact structure, easy installation, flexible use, wide power source, long service life.