Which is the best permanent magnet governor?

Qingdao Sprui Electromechanical Technology Co., Ltd., their products are quite good, and they are made of permanent magnet couplers and permanent magnet governors. Qingdao Sprui Electromechanical Technology Co., Ltd. was established in 2008, which is a high-tech enterprise focusing on the research, development, production, sales and service of permanent magnet drive technology. The technical level of many products of the company is internationally advanced. With completely independent intellectual property rights, by the end of 20 10, the company had applied for 6 patents10 and obtained 7 national patent certificates. The company has received strong support from provincial and municipal science and technology departments, and is currently identifying high-tech products.