... precise adjustment of door in both up and down positions4)Electric and manual operation5)Easy installation, legerity design, stablr operation,low noise ... line name Production Line Capacity Actual Units Produced(Previous Year) Electric Rolling Door Motor USD 13,000,000 / Year USD 6 ... MC/TH-C-214/08 DC Rolling Door Motor and Electric Control Box & HL-6555M220DC-A,HL-DC-300KG, HL-DC ...