rolling shutter motor,stype:MX1000SF,3-plase,chain-device,suitable for all kinds of roller shutter door,reliable performance. M600SFJ-1 rolling shutter motor:1.suitable for all kinds of roller shutter door2.reliable performance,stable and safety3.location accuracy less than 1.5centimeter4.roller shutter door may be opened and closed by remote controlAll motors has tested by National Center For ...