Features:
1) Material: double or single layered hollow aluminum alloy, stainless steel, color steel
sheet
2) Its special door sections, tracks, bar and shape structure, surface treatment make it
has many features, such as fending against the wind, hard wearing, small cubic
content, low sound
3) The motor types can be side position motor, AC motor, or tubular motor
4) Door panel material can be double layered aluminum alloy, single layered aluminum
alloy, stainless steel sheet, color steel sheet, or hot-dip galvanized steel sheet