主营业务构成（基础数据）

描述上市公司定期公告中披露的主营业务明细信息，与公告披露保持一致：1、公司在公告中每次披露的构成内容均会采集；2、主营业务构成有三种分类方式：分行业、分产品、分地区；3、采集公告起始报告期为2007半年度报告；4、单位：人民币元。This dataset describes the detailed main business information disclosed in the periodic announcements of listed companies, which is fully consistent with the content disclosed in the announcements: 1. All the business composition information disclosed by the company in each announcement will be collected; 2. There are three classification methods for main business composition: by industry, by product, and by region; 3. The starting reporting period for the collected announcements is the 2007 semi-annual report; 4. Unit: Renminbi Yuan (CNY).