Commercial shop polycarbonate aluminum Pc transparent slat accordion folding sliding security shutter Roller Doors

Specifications:

Aluminum alloy crystal folding door is made of high grade aluminum alloy profile and high strength PC board, can be pushed to the side, less space.It has beautiful shape, rigorous structure, and it's firm, reliable, safe and practical. https://www.chinasteelengineerin...hutter-roller-doors.html