Rapid-Cycle PVC Industrial High Speed Door For Cross-Dock Sorting Hub Workflow High-Speed Operation Industrial High Speed Door For Cross-Dock Sorting Hub Workflow Cross-dock and sortation hubs live or die by cycle time. Every second a door stays open, parcels wait, sorters idle, and the downstream workflow stalls. This Industrial High Speed Door is engineered around one core selling point: high-speed operation for efficient workflow . With rapid opening and closing cycles, it