上海市建筑工程学校一体化智能黑板的公开招标公告:

https://www.zfcg.sh.gov.cn/site/detail?parentId=137027&articleId=wREMzlX2rHxEpoY9IbTG+A==&utm=site.site-PC-39928.1069-pc-wsg-ArticlePurchaseNoticeList-front.5.127c0e30465111ef9810d597f9d7e4a2