Taizhou Chuangmei Electromechanical Co., Ltd is located in Wenling City on the central coast of Zhejiang. The company is a provincial high- tech enterprise, a high-tech enterprise in the city, and currently produces various types of permanent magnet synchronous motors. There are two types of variable frequency drive permanent magnet synchronous motor and asynchronous start permanent magnet synchronous motor, and the Chinese energy-saving product certification certificate Permanent Magnet Synchronous Motor Pumpof permanent magnet synchronous motor has been obtained. The power is from tens of W to 200KW, and the various speeds of the variable frequency drive can be designed and produced. The asynchronous start synchronous motor has 2, 4, 6, and 8 poles.