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 are1, Our ECM motorized fans′effiency 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, thre... [
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