Product Description: simple structure, easy installation, small size, and single-phase power as a power source, such use is widespread. Is widely used in modern industrial machinery manufacturing, electronics, automotive, shipbuilding, high-tech industrial zone workpiece assembly and other production lines, lines, assembly, logistics, transportation and other occasions in warehouses, docks, ingredients, hanging baskets and small narrow space workplace operations, can show its good quality. Is scheduled column, wall jib crane best supporting products. Run freely back and forth on the beam. Applications: Our main products used in buildings, roads, bridges, metallurgical, mining, slope tunnels, wells and other infrastructure construction management protection of machinery and equipment.