The fire prevention rolling shutter door is mainly fire prevention. When the fire alarm is triggered, the rolling shutter door will automatically descend to control the fire situation and prevent the spread of flame Low noise, fast speed, high opening frequency and good safety performance.

Ọnụ ụzọ ọkụ ZHTdoors, afọ 31 nke mmepụta ihe na ọnụ ụzọ ọkụ na Windows. The isi UL ọkụ ọnụ ụzọ, EN ọkụ ọnụ ụzọ, BS EN ọkụ ọnụ ụzọ, wdg,..We nwere certification.ZHTdoors support OEM na free design.Our uru: Good quality, factory price, good service.Welcome to consult us.