1. Low vibration and noise, which could avoid abrasion and pollution from material. This could help to improve efficiency by 45%. 2. This servo motor could save 50-70% electricity compared with clutch motor which could bring a large economic benefit. 3. Respond swiftly, needle stop position is accurate. 4. The speed could be adjusted in the range of 0-4500R/MIN. 5. Low exotherm could help the system work safe and stable. 6. Applied IC, the input voltage range is AC110/220V ±10%.