Dangdang has a competitor in the company formerly called what?
Dangdang:  It is headquartered in Beijing and its main competitors are Amazon.cn (or Amazon China, formerly Joyo.com) and JD.com (or Jingdong, formerly 360buy. JD.com: JD.com, Inc. (), also known as Jingdong and formerly called 360buy, is a Chinese e-commerce company headquartered in Beijing.
360buy