Topic 1: Energy saving and Environmental Protection Technologies
Industrial energy conservation
Building Energy Efficiency
Civil energy conservation
Comprehensive utilization of resources
Solid waste treatment and disposal
Soil pollution control and remediation
Water ecological restoration and ecological protection
Pollution environmental monitoring
Air pollution prevention and control technology
Waste gas recovery and treatment technology
Topic 2: Electricity and Electrical Engineering
Power electronics 
Electric drive
Power Quality and Electromagnetic Compatibility 
Power system and its automation
Modeling, simulation, and analysis of power systems
Power system planning and scheduling
Power system protection, operation, and control
Reliability and safety of power system
Power system stability
Sensors and Micro Machines
Transmission and distribution systems and equipment
Electric Drivers and Applications
Electric Vehicle Technology
Electrical Engineering Technology
Computational Intelligence in Electrical Engineering
Mechanical Engineering and Mechanics
Mechanical manufacturing and mechatronics integration
Mechanical Engineering and Materials Engineering
Power Machinery and Machinery Industry
Mechanical Manufacturing Technology
Mechanical Automation Engineering
Mechanical manufacturing and automation
Mechanical Engineering and Electronic Technology
Computer relay
Electromagnetic and Photonics
Integrated optical and electro-optical devices
Microwave and millimeter wave circuits and antennas
Analog circuits and digital circuits