US-listed retailer Wal-Mart Stores is to acquire a minority stake in China-based online peer Yihaodian.
Launched in July 2008, Yihaodian offers next-day delivery of consumer goods.
Eduardo Castro-Wright, chief executive of Walmart Global eCommerce and Global Sourcing, said: "Online sales in China are growing rapidly and are projected to match US online sales in the next few years."
Gang Yu, co-founder and chairman of Yihaodian, said: "Walmart brings its global vision into our business. In addition, its supply chain excellence will help us gain a competitive edge in the e-commerce industry in China."