1. design & produce multi-spped motor 2. 3 kinds of speed. 3. 100-230Vac, 100-1000W 4. over 7000 RPM 5. UL, GS approval 1. design & produce multi-spped motor 2. 3 kinds of speed which according to customer's desire3. voltage: 100-230Vac, power: 100-1000Watts4. Comply to EMC, Rohs and with thermostat5. insulating : Class B6. UL, GS approval7. my factory with ISO9001 certificate