Ningbo Longwell Electric Technology Co., Ltd: Established in 1990, turn to experts of HVACR, manufacturer of fans, blowers , motors and components for heating, venlation air conditioner and refrigeration applications. Products complied with certificates of CCC，CE ,ETL and UL. Equipped with high advanced testing labs and production facilities. With over than 28 years manufacturing experiences, exporting to over 30 countries including many Fortune Global 500 customers in HVACR application.