E-commerce China Dangdang Inc. (Chinese: 当当网), known as Dangdang, is a Chinese electronic commerce company, founded by Peggy Yu and Li Guoqing in 1999.

[2] 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.com).

The competition escalated into a price war in December 2010, with each retailer marking down a wide range of items, especially books.

[3] DangDang made an IPO on the NYSE in November 2010, estimated at approximately US$1 billion.

[2] There are 2,907 employees in Dangdang, and its customers span across 50 countries, and over 40% B2C customers in China have shopping experiences with Dangdang.