Hot Sale High Quality New Style Mechanical Automatic Dock Shelter. Customizable Dimensions: Non-standard sizes can be customized. Height options: 3500-3700mm, Width: 3400-3600mm. Retractable Steel Frame: Galvanized steel frame (60*30mm) with retractable rods for easy truck access and storage. Three Shelter Types: Available in Mechanical, Insulated Sponge, and Inflatable options for various warehouse needs. OEM & ODM Service: Full customization from samples or designs is available. OEM is highly welcomed. 12 Months Warranty: Comprehensive 12-month warranty coverage for mechanical defects and quality assurance. High Production Capacity: Monthly capacity of 1500 sets with 100% finished product inspection for quality control. 24/7 Customer Support: Professional staff available online 24 hours with 24-hour response time for inquiries.