Dear Colleagues,

It is our honor to announce that The 4th International Symposium on Catalytic Science and Technology in Sustainable Energy and Environment (EECAT2023) will be organised on October 15-18 2023, in Beijing, China.

This event is hosted by Chinese Society of Particuology, Beijng University of Technology and Tianjin University.

Registration Date	Full delegates	Students
Early Bird (By 31^st July, 2023)	3200 CN￥	2000 CN￥
Aug 1^st, 2023-Sept 30^ty, 2023	3800 CN￥	2600 CN￥
After Oct. 1^st, 2023 and on site	4600 CN￥	3400 CN￥

The fee includes:
Welcome Reception on Monday;
Coffee breaks and lunch;
Dinners of Sunday and Tuesday;
Participation in the scientific programs;
Conference bag and materials.
Accompanying Persons need to pay for the meals if they want to attend any of the Welcome Reception, dinners and any kind of meals.

Cancellation fees:

>> Free cancellation before October 7th. Registration is binding. Notifications, amendments and cancellations must be made in writing (by e-mail or airmail) to klxh_meeting@ipe.ac.cn.

>> October 7th and thereafter, fees cannot be canceled, but the attendant can be changed or replaced.

We are pleased to invite you to participate in this symposium and present your new results in the field.

If you have any questions, please don’t hesitate to contact us:

Conference Secretariat:

Ning Wang 王宁, Beijng University of Technology Tel. +86-18810492568; E-mail: ning.wang.1@bjut.edu.cn

Yicheng Zhao 赵宜成, Tianjin University Tel. +86-13612125034; E-mail: zhaoyicheng@tju.edu.cn

Chinese Society of Particuology

Address: No.1, North Second Street, Zhongguancun, Haidian District, Beijing (100190);

Website: www.csp.org.cn

Conference & Conference-hall: Qiao Huang 黄巧 (010-82544962, 13718757572, klxh_meeting@ipe.ac.cn)

Sponsorship & Exhibition: Jinghong Li 李京红 (010-62647647, 13801242411, klxh@ipe.ac.cn)

Finance & Invoice: Xiuzhi Han 韩秀芝 (010-62647647, 13269656065, xzhan@ipe.ac.cn)

We are looking forward to seeing you in Beijing, China!

Sincerely yours,

Program Committee of The 4th International Symposium on Catalytic Science and Technology in Sustainable Energy and Environment