(The following topics include but are not limited to)
Topic 1: Energy
Clean energy development
Wind power generation
Solar related technologies and applications in biomass energy engineering
Hydroelectric power generation, geothermal and tidal energy
Biogas and biomass energy
Ocean energy
Green hydrogen energy
Energy Conversion and Energy Efficiency
Energy Analysis and Energy Transfer
Energy in buildings
New energy vehicles
Efficient Energy Conversion Devices
Smart grid technology
Coal Mining Engineering and Technology
Oil and Gas Resources Engineering
New technologies for oil and gas development
Clean coal and fossil fuels
Efficient Coal Technology
Carbon dioxide capture, utilization, and storage
Topic 2: Materials Engineering
Optoelectronic materials
Deformation and fracture of materials
material processing 
Plastic research
Electronic and Electrical Materials
Mechanical materials
Aviation materials
magnetic material 
High performance materials
Material modeling
Process technology category
Structural category
Material Forming and Design
Energy materials
Industrial materials
Mechanical materials
mineral resources
coating
Corrosion and Surface Engineering
Topic Three: Environment
Optoelectronic materials
Deformation and fracture of materials
material processing 
Plastic research
Electronic and Electrical Materials
Mechanical materials
Aviation materials
magnetic material 
High performance materials
Material modeling
Process technology category
Structural category
Material Forming and Design
Energy materials
Industrial materials
Mechanical materials
mineral resources
coating
Corrosion and Surface Engineering