Insulated zipper structure fast door
HONGFA (Hongfa) thermal insulation zipper structure fast door perfectly combines the zipper locking structure with the thermal insulation multi-layer thickened door curtain. While ensuring the air tightness of the internal environment, it significantly reduces heat transfer, reduces energy loss and creates a cold chain environment. Cold-resistant to -40°C, the door opening speed can be customized to more than 1.5 meters/second.
