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Zipper interlocking + double-layer insulation completely blocks cold and hot air exchange.
Auto-derails on impact to absorb shock, and resets automatically during operation for maintenance-free use.
Opens and closes in seconds, boosting logistics traffic efficiency by over 30%.
Heated tracks prevent ice buildup, while infrared sensors ensure safety by reversing on impact.
Remains flexible at -30°C without hardening; tested for over 150,000 cycles with a 5-8 year lifespan.
Shenzhen Hongfa Automatic Door Co., Ltd. is a high-tech electric door company committed to developing into a world-advanced door technology enterprise. The company mainly deals in high-speed roller shutter doors, industrial stacking doors, zipper roller shutter doors, cold storage zipper high-speed roller shutter doors, rigid turbo high-speed doors, simple rigid high-speed doors, flexible doors, industrial sectional doors, automatic sensor doors, automatic swing doors, medical automatic doors, stainless steel automatic doors, electric retractable gates, crystal roller shutter doors, electric rolling shutter doors made of various materials, parking lot systems and other products. We have obtained ISO9001 quality management system certification, ensuring reliable quality. In addition, we also have international certifications such as CE and SGS.
