B2C online trading platform means that merchants sell products directly to individuals through the platform. Dangdang.com mainly sells books and audio-visual products, and also develops the sales of small household appliances, toys, online game cards and other products. Its headquarters is located in Beijing. Joyo Amazon is a Chinese B2C e-commerce website. It was formerly Joyo.com. After being acquired by Amazon, it became its subsidiary. It operates books, audio-visual software, books, movies, etc. And toys, gifts, department stores and other commodities. In October 2007, it chose the business model of online sales of its own clothing brand and launched VANCL. It is currently a leading clothing brand rooted in the Chinese Internet and far ahead. According to the latest iResearch survey report, VANCL has ranked among the top four in terms of revenue scale in China's online B2C field. Its achievements are not only regarded as an innovation in the e-commerce industry, but also called a miracle by the traditional clothing industry.