
Big Tonnage Synchrounous Strand Jack for Lifting and Lowering Roof. High Load Capacity: Available in tonnage from 45 to 400 tons for heavy lifting tasks. Synchronous Control: Advanced control system ensures all strand jacks work simultaneously. Self-Locking Safety: Anchors feature self-locking with reverse motion for secure lifting. Compact Design: Small size and light weight, ideal for small spaces and indoor use. Customizable Voltage: Standard 380V/50Hz/3phase, but voltage can be customized per request. OEM Service: Professional design team supports OEM orders for tailored solutions. Wide Applications: Suitable for roofs, bridges, stadiums, and offshore oil platforms. International Certified: Products comply with RoHS, ISO, and CE international quality standards.