JD.COM。 Zhang Jingyi is a blogger who promotes the brand of Rich Cube Silk, and the blogger is broadcast live on JD.COM. Live broadcast is a kind of media vocabulary, which is divided into live broadcast and studio. JD.COM is a comprehensive online retailer in China and one of the most popular and influential e-commerce websites in China. Sell home appliances, digital communication, computers, household department stores, clothing, mother and baby, books and so on online.