Hainan Expo
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资源简介：
The pilot survey was conducted on the first and second day of the event, the main survey was conducted on site during the last 3 days in 2022 at the second Hainan Expo, which is a mega national-level business event hosted by the Ministry of Commerce of the People’s Republic of China and The People’s Government of Hainan Province.
创建时间：
2024-06-26
