Central Air-Conditioning Unit Uses 120W Permanent Magnet BLDC Brushless DC Fan Coil Motor. 100% Pure Copper Wire: Coil winding uses 100% pure copper wire for superior conductivity and efficiency. NSK Low Noise Bearings: Equipped with high-quality NSK rolling bearings for quiet and smooth operation. Customizable Design: Special sizes and specifications can be designed and manufactured according to customer requirements. 18 Months Guarantee: Provides a long-term 18-month guarantee for all motor products. 24/7 Technical Support: Offers 24-hour technical support and barrier-free communication for all customers. ISO9001 Certified: Manufacturing process and finished products are strictly inspected under ISO9001 standards. High Efficiency Motor: Features energy-saving design with high efficiency and low noise operation. Multiple Certifications: Approved by CCC, ISO9001, CE, and RoHS certifications for global compliance.