Main exhibit types： digital industrial automation （ industrial solutions 、 testing tool,measurement and parts ）； integrated circuit （ raw materials 、 semi-conductor equipment ）； low-carbon energy and environmental protection technology （ new materials 、 new energy 、 fossil energy 、 water treatment 、 environmental protection technology ）； artificial intelligence （ communication ）； digital printing and optical technology （ optical materials 、 optical equipment and technology ）；