Power electronic packaging related interconnection, thermal management and substrate technology, wide bandgap semiconductor packaging technology, ultra-wide bandgap semiconductor packaging technology, IGBT, SiC, GaN hybrid packaging technology, high voltage packaging technology, high junction temperature packaging technology, multi-functional integrated packaging technology, other power semiconductor packaging technology, switching, isolated/non-isolated power supply, inverter, IPM, POL, PSiP and other power module packaging and integration methods, power module control algorithm, EMI modeling and optimization, Industrial modules and vehicle-scale groups and systems, other new energy and new power electronic modules.