... we can make suitable products to you. 1) manufacture AC, DC, AC and DC Rolling Door Opener, design and make motors according to your ... 500 SETS FOR ONE 20GP CONTAINER.AC&DC MOTOR INCLUDEMOTOR,CONTROL SYSTEM,BACKUP BATTERY, BRACKET SYSTEMAC&DC MOTOR OPTIONALPUSH BUTTON,LOCK BOX, ... INFRARED SENSOR, ALARM SYSTEM.AC&DC MOTOR LOAD CAPACITY420-450 SETS FOR ONE 20GP CONTAINER. ...