
High Speed Hard Curtain Roller Shutter Rapid Rolling up Door. High Speed Operation: Adjustable speed from 1 to 2 meters per second for efficient traffic flow. Advanced Safety System: Equipped with infrared induction and anti-smashing grating for maximum protection. Durable Material Construction: Made of high-tensile aluminum alloy and steel with 40mm thickness. Customizable Options: Support for custom colors, sizes, and functions based on specific needs. Multi-Certification Compliance: Certified by CMA, CNAS, and BV for global quality and safety standards. Effective Sealing Performance: Features guide rail, curtain connection, and door bottom sealing. Servo Technology Control: High-precision encoder with fault detection and digital speed adjustment. Balanced Door System: Includes balance springs for smooth operation and reduced motor load.