... in manufacturing and dealing with tubular motor& it's accessories in China.At preasent,SF series tubular motor already have the most complete ... models from 3Nm to 500N.m in diameter of 35mm(SF35 series),45mm(SF45 series),59mm(SF59 series ... garage door, Shops shutter,Awning, nivie screen. remote Tubular motor 59mm tube for rolling shutter, awning