15 Tons Overhead Crane Electric Chain Hoist with Trolley Giant Lift Chain Block

15 Tons Overhead Crane Electric Chain Hoist with Trolley Giant Lift Chain Block. High Wear Resistance Gears: Internal gears are quenched at high temperatures for increased toughness and wear resistance. Compact Structure Design: Shortens distance between machine body and beam tracks, suitable for low buildings. Durable Waterproof Controls: Features waterproof push buttons that are light and durable for extended use. High Strength Hook: Hot forged hook with 360-degree rotation and safety tongue piece for operational safety. Corrosion Resistant Chain: Ultra heat-treatable steel alloy chain safe for use in rain, seawater, and chemical environments. Customized Lift Speed: Lift speed can be customized or changed according to specific specifications. OEM and ODM Support: Manufacturer with own R&D group offering customized designs based on requirements. Comprehensive Quality Control: Pre-production samples and final inspections conducted before shipment.