Open WeChat, click "Search" in the upper right corner, enter the search page, select the "WeChat official account" option, and then enter relevant keywords, such as "canteen contracting" and "canteen management", you can find relevant articles in WeChat official account, and contact the contact information or address of contracted canteen given in the article for discussion.

Open Baidu search engine, enter relevant keywords in the search box, such as "canteen contracting", and then click Search. On the search results page, you can find the relevant contract contents and contact information, and then contact and negotiate.