Dear Friends and Colleagues,

It is our great pleasure to invite you to attend BIT's World Congress of Advanced Chips 2021(WCAC-2021), which will be held in Dalian, China on August 26-28, 2021.

WCAC-2021, with the theme of "Convergence, Upgrade, Leading, and Development" aims to provide a highly qualified scientific program. It will emphasize multidisciplinary collaboration to promote the development of catalysis. Through innovative scientific achievements and discuss current issues of mutual interest to improve the quality of human life and seek insights to solve the problems around us. In this regard, we certainly believe that WCAC-2021 will provide a variety of opportunities to exchange ideas and expertise as well as network with worldwide research groups.

4 days' agenda will consist of plenary/keynote lectures, parallel forums, and poster presentations. Meanwhile, a professional exhibition is also planned. Most of all, we warmly encourage outstanding young scholars, selected scientists and students from all over the world to contribute to poster presentations.

The venue adds an important attraction to the congresses. Dalian is a beautiful city with an excellent climate and unparalleled hospitality. It is the flagship city of the wealthiest region of China, leader in economy, art, design, industry, and lifestyle, a must-visit for travelers and an endless source of inspiration. we cordially invite you to join a Tech Tour to experience traditional Chinese culture and to enjoy the delicious food of Dalian.

Sincerely Yours,

Xiaodan Mei, Ph.D. Executive Chair of WCAC-2021 President of BIT Congress Inc.