Suzhou Dynax High-Energy Semiconductor (also known as 苏州能讯高能半导体有限公司) is a company that develops and manufactures gallium nitride (GaN) power semiconductor chips, devices, and modules. It provides ceramic and plastic packaged discrete amplifying transistors, integrated multi-chip modules, and H-series and J-series transistor cores for applications in wireless communication, radio frequency, industrial control, power supply, and electric vehicle systems. The company serves the wireless telecommunications, radio frequency energy, industrial control, power supply, and electric vehicle markets.