China’s Dangdang announced today that Jiuxian.com has taken over the NYSE-listed company’s wine e-tailing business, a move highlighting that DangDang is taking another step forward into its B2C open platform strategy.

Prior to the teaming-up, DangDang has introduced Letao (shoe vertical), Gome (3C) and Moonbasa (apparel) into its open platform.

Founded in September 2010, Jiuxian.com has raised US$ 20 million in Series A round of financing in last April and US$ 50 million in second round led by Sequoia China and Oriental Fortune Capital.

As to the partnership, DangDang customers could browse wine as well as white spirit on its site and make orders, Jiuxian.com will take care of shipping and after-sale service.

Yu Yu, co-founder and chairman of Dangdang once said that “Dang Dang will invite more B2C verticals to operate on our site as long as they are good in their business, be it vertical of apparel, home appliance, cosmetics, wine or home decor. Open platform is our effort of strategic importance in 2012.”