Since its establishment in 2019, Hunan Xinfeng Science and Technology Co., Ltd. has built a complete intellectual property group, realized the whole chain innovation from core equipment, key materials, typical products, system integration to demonstration application, and served dozens of demonstration projects nationwide. It is mainly distributed in more than 20 provinces and cities, such as Guangdong, Hunan, Sichuan, Ningxia, Henan, Zhejiang, Jiangsu, Shandong and Liaoning, and has solved the major problem of high-risk wastewater treatment in China to a certain extent.