8*8 Roller Doors with Galvanized Steel Material Used for Container

8*8 Roller Doors with Galvanized Steel Material Used for Container. Customizable Colors: Available in Black, White, Red, Blue, Orange, Dark Grey, and other custom colors. Durable Torsion Spring: High-quality torsion spring with a lifespan exceeding 20,000 cycles. Easy Installation: Pre-assembled with predrilled holes; includes manual and video guides. Anti-Theft Design: High-strength steel curtain with strong anti-destructive and anti-theft performance. Multiple Opening Methods: Supports manual, electrical remote, WiFi, and wall switch operations. OEM Service Available: Professional factory offering OEM services for self-storage and container projects. Corrosion Resistance: Galvanized steel material ensures water and corrosion resistance for over 20 years. Quiet Operation: Heavy-duty aluminum end bar with EPDM seals ensures good airtightness and quiet run.