Many enterprises use QR code, WeChat marketing, Weibo marketing, community marketing and live marketing to promote products and services. The following are some types of enterprises that often use these marketing methods:

1. Retailers and e-commerce platforms: Many retailers and e-commerce platforms use QR codes to provide coupons, promotions and shopping guides, share product information through WeChat, Weibo and social platforms, and also broadcast live product demonstrations.

2. Catering industry: Catering enterprises often use WeChat, Weibo and social platforms to publish menus, promote special foods, get comments and provide coupons.

3. Tourism and hotel industry: The tourism and hotel industry often use QR codes to provide coupons, guide maps and reservation information through Weibo, WeChat and community platforms, share travel strategies and promote holiday packages.

4. Educational institutions: Schools, training institutions and online education platforms can use QR codes to provide course information and learning materials, conduct teaching exchanges through WeChat and community platforms, and also provide online courses through live broadcast platforms.

5. Health and beauty industry: Hospitals, clinics, beauty salons and health care products brands can use QR codes to provide appointments, coupons and product information, and share health knowledge and skin care tips through WeChat, Weibo and social platforms.

These are just some common examples. In fact, enterprises in almost all industries can use these marketing methods. These methods can help enterprises increase exposure, attract potential customers, interact with customers and promote sales.