Introduction to market life: Walking in Chongxai Kang, groups of tall Khampa men gathered together, whispering to each other, and from time to time they put their hands into their long sleeves and mysteriously bargained for prices. The 300-year-old tradition still continues here, and behind them are a variety of modern and trendy products. In the collision of tradition and modernity, Chongsai Kang interprets real city life day by day.