微光股份(002801.SZ)：离心风机、EC风机已应用于洁净室行业，目前销售占比公司总营收比重不高

Group 1 - The company, Micro Light Co., Ltd. (002801.SZ), primarily focuses on refrigeration motors and fans, which are mainly used in refrigeration, air conditioning, and ventilation applications [1] - The company is expanding its applications into energy storage, heat pumps, and data centers [1] - Centrifugal fans and EC fans produced by the company have been applied in the cleanroom industry, although their sales currently represent a low proportion of the company's total revenue [1]