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. 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.