2020年中国国际服务贸易交易会北京国际旅游博览会
2020 China International Fair for Trade in Services Beijing International Tourism Expo
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特邀买家咨询:代曼丽
Hosted Buyers:Dai Manli
邮箱/Email:daimanli@bre-expo.com
电话/Tel:18010039093
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