... sewing machine needle from GRAND is with a specific energy-saving direct-drive servo motor and control system. The ... GRAND Servo motor advantages:1,energy saving, environmental protection, human.2,saving more than 80%.3, saving manpower by 20%.4, ... running power 26%)Full operation9GreenCopper, Iron and use less material, no wear powdercluth replacement10Notwork configurationSmall. Start current, low ...