... automatic winding7) Remote control function8) Three wind speed9) 60W Air cooling fan Verified Information This information is Verified by Bureau Veritas and ... Units Produced(Previous Year) Air Cooler, Air Cooler & Heater, Heater, Electric Fan, Oiled Heater Air Cooler: 60,000 pcs per year,Air ... ,000 pcs per year,Heater: 10,000 pcs per year,Electric Fan: 10,000 pcs per year,Oiled Heater: 10,000 pcs ...