1 2 3 I'm Online Chat Now! Founded in 2002, Guangzhou Sanjing Electric Co., Ltd. (shortened as SAJ) is a hi-tech enterprise dedicated to the R&D of frequency conversion technology in the field of electrical driver control. With the development of these years, SAJ is growing rapidly. With advanced technology and reliable quality, now we have full types of frequency inverters for different drive devices. Also, we can provide distinctive solutions according to our customers' demands. For the professional manufacturing experience and high quality service, our products have been exported to many countries, such as Singapore, Malaysia, India and European countries.