... special design, it essures machine runs quietly under high speed and long time.2.The machine is produce precisely, highly- ... Double motor design, adapt to fast adjusted for the machine.5.With "double hook single needle" and " ... PC control design, motor start-stop, warp-stop, yarn-stop display. Output calculation, auto-return after stop.Machine Model ... .P 2 H.P 2 H.P Rotation Speed 1,300-1,500 rpm 1,300-1 ...