Ningbo Longwell Electric Technology Co., Ltd.

LONGWELL is a manufacturer of HVAC fans, blowers , motors and components ,such as centrifugal fans, axial fans, cross flow fans, single/double forward curved fans ,AC/BLDC/ECM motors as well as industrial fan blowers ,established in 1990 ,equipped with high advanced testing and production facilities ,automatic welding machines , CNC machining centers ,injection machines . with over than 28 years manufacturing experiences , LONGWELL is very skilled in designing , developing and manufacturing ,and exporting to over 30 countries including many Fortune Global 500 customers in HVACR application . and products passed CCC,CE ,ETL and UL . LONGWELL EMC Technology is giving more energy saving to our world . the advantages are :1, Our ECM motorized fanseffiency are 30%-60% higher than the traditional motors .2,the build-in PCBA achieved stepless speed control,and communication with customers products . 3,longer life span up to 600,000hours . 4,IP55,IP68 can be customized .5, Sine wave ...