JD.com, Inc. (Chinese: 京 东; pinyin: Jīngdōng), also known as Jingdong and formerly called 360buy, is a Chinese e-commerce company headquartered in Beijing.It is one of the two massive B2C online retailers in China by transaction volume and revenue, a member of the Fortune Global 500 and a major competitor to Alibaba-run Tmall. As of the first quarter of 2018, the platform has 301.8 …