Product categories and target consumer groups.

1. Product types: Hongdou flagship store sells a richer range of products, covering men’s and women’s underwear, thermal underwear, home clothes, socks and other types, while Hongdou underwear flagship store focuses on underwear Sales of products, especially women's underwear.

2. Target consumer group: The target consumer group of Hongdou flagship store is wider, including men, women, old and young, while Hongdou underwear flagship store is mainly aimed at female consumers, providing a variety of styles of underwear products.