Red Brin is a high-end idle trading platform, C2B2C mode, CEO Wei Xu.

Red Brin is a popular genuine high-end idle trading platform in China. Hongbulin is a second-hand fashion idle trading platform, dedicated to the recycling of high-end aesthetic resources. Red Brin uses C2B2C and B2B2C models to link buyers and sellers efficiently.

Humbling started from the vertical category of second-hand luxury goods and raised six rounds of financing. Employers include IDG, Shanggao, Jiuhe, Jingwei China, Qi Ming Venture Capital, Xianfeng and other well-known institutions. In 2020, the users of GMV and Hongbulin increased fivefold.