Visa Requirement

Participants requiring visa must initiate the application process several months in advance of their departure date.
About Chinese Visa, please visit:

Invitation Letter

If you need a personal invitation letter to attend the IRS 2024 conference,please dowload and fill in the Visa Support Form below;

(download Link)

Please convert the form to PDF and e-mail it to;

The signed invitation letter with official seal will be forwarded to you as a scanned PDF file

If you need a hardcopy, this will be mailed to you via standard mail service. In that case, please provide your complete mailing address.

Note: The Organizers of IRS 2024 cannot intervene in the visa application process on your behalf at any China Embassy or Consulate Office abroad.

Download Center





Abstract book


Useful Information


The official language is Chinese (Mandarin).

Highly educated people can speak English.


Chinese Yuan (¥) and Jiao.

There are eight notes (100/50/20/10/5/1 Yuan, 5/1 Jiao) and three coins (1 Yuan, 5/1 Jiao).

     Time Zone

Beijing time = Greenwich Mean Time (GMT) + 8 hours.

China uses the same time across the country.


Use global roaming or purchase a local SIM card.

     Electric Power

220 volts alternating current; power adapters may be required.


Emergency 112, Police 110, Fire and Rescue 119,

Ambulance 120, Traffic Police 122


Shopping malls' opening hours are 9.00AM-9.00PM on weekdays, and 9.00AM-10.00PM on weekends.


China UnionPay cards, international credit cards (VISA, Mastercard, AMEX, Diners Club, JCB, etc.).

Digital payments: Alipay, WeChat Pay; E-CNY


Local Organizing Committee Chair

Lei Bi

School of Earth Sciences, Zhejiang University, Hangzhou 310018, China

Symposium Secretariat

Yujie Ma
School of Earth Sciences, Zhejiang University , Hangzhou 310018, China

Technical Assistance

Beijing YIYUM Information Technology Co., Ltd.
Tel : +86 010-56279962
Room A-1786, 2nd Floor, Building 3, Courtyard No. 30, Shixing Street, Shijingshan District, Beijing City.


We welcome all companies that would like to support the organization of
IRS2024 and be included in our list of sponsors.

Copyright 2014- 2023 All Rights ReservedBeijing YIYUM Technology Co.Ltd

International Padiation Symposium IRS 2024
Add:No. 1 Hainayuan Building, Zijingang Campus, Zhejiang University,
866 Yuhangtang Road, Hangzhou, Zhejiang, P.R.China
Tel: +86-571-87953269