文投控股(600715.SH)：截至目前，公司主营业务不涉及互联网广告业务

Group 1 - The core viewpoint of the article indicates that WenTou Holdings (600715.SH) does not currently engage in internet advertising as part of its main business operations [1] - The company has stated that aside from its regular promotional and traffic investment activities related to its main business, there are no significant business collaborations with platforms such as Douyin, Kuaishou, or Xiaohongshu at this time [1]