... make suitable products to you. 1) manufacture AC, DC, AC and DC Rolling door motor , design and ... AC and DC motor: 300KG—600KG3) 110V/220V/380V are ok for our Rolling door motor .4)with four relays ... LOAD CAPACITY450-500 SETS FOR ONE 20GP CONTAINER.AC&DC MOTOR INCLUDEMOTOR,CONTROL SYSTEM,BACKUP BATTERY, ... BUTTON,LOCK BOX, INFRARED SENSOR, ALARM SYSTEM.AC&DC MOTOR LOAD CAPACITY420-450 SETS FOR ONE ...