
Sectional Electric Overhead Operator Industrial Door with Door. Customizable Lifting Methods: Offers straight, standard, high lintel, and low lintel lifting types to fit various civil structures. High-Density Insulation: Features 40mm to 100mm thick polyurethane foam core with 45-48kg/m3 density for superior heat preservation. Anti-Breaking Safety System: Includes torsion spring anti-breaking and wire rope anti-falling devices to prevent sudden door drops. Durable Galvanized Steel: Constructed with double-sided hot-dip galvanized steel plates for high corrosion and weather resistance. EPDM Sealing Material: Uses high-quality EPDM rubber for bottom and side sealing, ensuring rainproof, dust-proof, and sound insulation. Flexible Customization Options: Supports full customization, minor customization, and customization from samples or designs. Comprehensive Warranty: Provides 12 months warranty with free accessories supply and online installation guidance.