
Shijiazhuang Tonhe Electronics Technologies Co.,Ltd (Hereafter referred to as TonHe) is a high technology enterprise specialized in innovation of technology, product and management in the power electronics industry, and R&D, manufacturing, sales, operation and service of high frequency switch mode power supply and related products, providing customers with system solution for the energy sector.
TonHe was established in 1998. In 2012 TonHe changed to a company limited by shares. On December 31st 2015, TonHe got listed at Shenzhen Stock Exchange (stock code 300491), marking a new milestone in the company's development. As a knowledge intensive high-tech enterprise after a sustained and steady development, TonHe now has total employees over 500, in which the research staff take more than 20%.
TonHe focus on cutting-edge technologies, and is the Chinese pioneer that realized soft switch during the whole process of power switching, obtaining 50 patents and 25 software copyrights.