来源： 类型：
1. Official website of the 135th Canton Fair
English version:
https://www.cantonfair.org.cn/en-US
Chinese version:
https://www.cantonfair.org.cn/
2. Links for pre-registration, invitation application guide and attendance guide:
(1) Pre-registration
English version:
https://www.cantonfair.org.cn/en-US/posts/719130611121729536
Chinese version:
https://www.cantonfair.org.cn/zh-CN/posts/719130611121729536
(2) Application guide for Canton Fair invitation
English version:
https://www.cantonfair.org.cn/en-US/pages/716622962182402048
Chinese version:
https://www.cantonfair.org.cn/zh-CN/pages/716622962182402048
(3) Attendance guide
English version:
https://www.cantonfair.org.cn/en-US/pages/598494791797825536
Chinese version:
https://www.cantonfair.org.cn/zh-CN/pages/598494791797825536
