Zhejiang Ximai Environmental Protectionis a scientific and technological enterprise specializing in the production and development of all kinds of fans. With its excellent design concept and recognized high quality and high performance in China, it provides all kinds of fans for users at home and abroad.  

Zhejiang Ximai has established long-term cooperative relations with various research institutes (Zhejiang University, Xi 'an Jiaotong University, Shanghai Jiaotong University).  The company not only produces large industrial centrifugal fans, but also produces air conditioning fans, kitchen box fans, fire exhaust fans and subway tunnel machines, which not only makes Semai fan a well-known enterprise, but also a leader in fan design and manufacturing.