To whom it may concern:
9th “The Belt and Road” Academic Conference on Clean Transportation of Materials, to be convened in Wuhan City, Hubei Province on Mar. 20---21, 2020, will be postponed due to the epidemic and the deadline of the papers will be postponed accordingly. The specific conference date will be determined according to the epidemic and we will give a notice in advance. We sincerely apologize for the inconvenience incurred due to the postponement of the conference.
School of Mechanical Engineering and Electronic Information, China University of Geosciences
Xiamen Yiyue Technology Services Co., Ltd
Mar. 6, 2020