Features:
*Crystal rolling shutter door piece is made of non-shattering PC piece, high transmittance, anti-oxidant, easy assembling, firm and durable, novel and elegance.
*Two kinds of crystal rolling shutter door piece can be chosen: seamless strip-shaped door piece and 10*30 seamed door piece.
*The connecting piece adopts double-layer structure aluminum alloy profile with special design. Door piece can be inserted into the door sheet from top to bottom. Strong compression resistance.
*The foundation adopts aluminum alloy with special design, corrosion-resistant and anti-deformation.
*Guide rail use high-strength aluminum alloy material, double groove design. The groove can be embedded with mute material.
*24V DC motor, quiet operation, safe and reliable and durable.
https://www.chinaautomaticdoor.com/automatic-door/rolling-door/crystal-rolling-door.html