1.High efficiency ,energy-saving, low noise. 2.Little vibration and easy maintenance. 3.Pass ISO9001:2008. 4.SGS approved. Feature1. Low energy consumption, low noise, small vibration, low temperature rise, wide output speed, and high efficiency: 92%-96%.2. Special broadband wide - voltage motor, working normally under full load between 20Hz-60Hz3. Modular design with strong interchangeability. 4 ...