Energy materials: Degradable materials Recycled materials Innovation of biodegradable materials Green catalytic chemistry Biocatalytic material Biobased material technology Additive manufacturing technology New functional inorganic non-metallic materials Smart materials Structural materials Battery material Electronic and magnetic materials Polymer materials Chemical engineering: Catalytic technology green chemistry Nanotechnology Material engineering process optimization Energy engineering Environmental engineering Polymer Science Transmission phenomenon Photocatalysis Analysis and control Process safety Electrochemical energy storage water treatment surface engineering Intelligent chemical industry Crystallization technology Nuclear chemical industry