Main Attractions: 1. Famous professor as Keynote Speaker Prof. Chengzhong Yu, from The University of Queensland, Australia; Prof. Jin Zou, from The University of Queensland, Australia; Prof. Jiaqiang Xu, from Shanghai University, China; Prof. Yonghui Deng, from Fudan University, China. 2. Academic Visit There will be a one-day academic visit in Shanghai city on October 25, 2019. 3. Publication and index Accepted papers will be published in one of two options: Option one: Chinese Chemical Letters - Impact Factor: 1.947 Chinese Chemical Letters (CCL) (ISSN 1001-8417) has been indexed by Science Citation Index-Expanded since 1993. The total citation rate and impact factor of the CCL in 2015 were 4119 and 1.947, respectively. The journal is also indexed or abstracted by Chemical Abstract, Chemical Citation Index, Research Alert, etc. Option two: International Journal of Materials, Mechanics and Manufacturing (IJMMM, ISSN: 1793-8198), which can be included in and indexed by EI (INSPEC, IET), ProQuest, Crossref and DOAJ.