Hope Senlan Technology Co., Ltd. is a wholly-owned subsidiary of Continental Hope Group. It is also a national key high-tech company dedicated to the research and development of frequency conversion technology and the design, development, production, sales and service of related products. Technology enterprise is one of the earliest enterprises in China engaged in frequency conversion technology research, one of the largest frequency converter R&D and manufacturing bases in China, and the only winner of the title of "Chinese Famous Brand" in the low-voltage frequency converter industry.