It is the replacer for traditional rolling doors.Its strips are made of double-layer alloy aluminum and especial steel with surface treated with advanced processing technics.It is the functional combination of decoration,prevention and protection. Advanced operation ways incluses manual,electric and remote-controlled with automatic locking device.Simple and safe operation and free-noise is marchless to traditional rolling door. All kind of styles and colors are adjustable to users’ requirements. Advanced operation ways incluses manual,electric and remote-controlled with automatic locking device.Simple and safe operation and free-noise is marchless to traditional rolling door. All kind of styles and colors are adjustable to users’ requirements. Color: White,Beige,Grey (Other color can be made upon customer is request.)