YR/YRKK motors have the advantages of compact structure, light weight, high efficiency, energy saving, low noise, low vibration, high reliability, long service life, easy installation and maintenance, etc. They are mainly used in rolling mills, hoists, fans, water pumps, mills, crushers, grinders and other general mechanical equipment or other similar mechanical equipment in industries such as petroleum, chemical industry, coal, power stations, metallurgy, textiles, medicine, and grain processing.