The Central Air-Conditioning Unit Uses 30W Permanent Magnet DC Brushless BLDC Fan Coil Motor. 100% Pure Copper Winding: Coil made of 100% pure copper wire for high efficiency and durability. NSK Low Noise Bearings: Equipped with high-quality NSK rolling bearings for quiet operation. Customizable Design: Special sizes and specifications can be designed and manufactured per customer requirements. 18 Months Warranty: Provides a long-term 18-month guarantee for all motors. 24/7 Technical Support: Offers 24-hour technical support and barrier-free communication. Multiple Certifications: Approved by ISO9001, CCC, CE, and RoHS standards. High Efficiency Operation: Features energy-saving design with operating speeds from 300 to 1500 R/Min. OEM and ODM Services: Full OEM and ODM services available for custom motor solutions.