The 3rd International Conference on Applied Chemistry and Industrial Catalysis（ACIC 2021）will be held in Dalian, China during October, 29-31, 2021. The theme of this conference is "Clean Production and High Value Utilization". It mainly talks about how to reduce environmental footprint at source and produce high value-added end products in chemical manufacturing. At the same time, the conference brings together scholars from the Chinese government, top universities, business associations, research centers and high-tech enterprises. This conference is committed to building an enabling platform for the cooperation among the Chinese government, Chemical industry and scholars. The ultimate goal is to build a bridge between R&D results and the Chemical industry.