(The following topics include but are not limited to)
Topic 1: Mechanical Engineering
Sustainable Mechanical Systems
The Application of Intelligent Materials in Mechanical Systems
Electric and autonomous vehicles
Biomechanics and Biomedical Devices
Wearable and assistive devices
Mechanical systems based on the Internet of Things
Micro nano mechanics
Waste to energy technology
Additive Manufacturing and 3D Printing
Intelligent Manufacturing (Industry 4.0)
Advanced sensors and actuators
Hydraulic and Pneumatic Systems
Integration of advanced robotics technology and artificial intelligence
Collaborative Robots (Cobots)
software robots 
Topic 2: Electric Power and Electrical Engineering
Power system and automation
High voltage and insulation technology
Electrical Engineering Theory and New Technologies
Smart Grid Technology/Electrical Engineering Technology
Computational Intelligence in Electrical Engineering
Distributed power generation, fuel
Batteries and Renewable Energy Systems
Electric machinery and electrical equipment
Electrical materials and processes
Electromagnetic and Applied Superconducting Technology
Power system and its automation
Modeling, simulation, and analysis of power systems
Power System Planning and Scheduling
Topic 3: Energy Engineering
Renewable energy generation
Efficient Photovoltaic Technology
Optimization of Ocean Energy Capture Devices
Geothermal energy development and utilization
Hydrogen energy technology
Optimization of hydrogen fuel cells
Innovation in hydrogen storage materials
Solar photovoltaic systems and equipment
clean energy technology
Energy Security and Clean Utilization
Solar engineering
wind engineering 
Hydropower
thermal energy
wind power generation
biomass power