An electric bike used by Amazon.com in Beijing.

Amazon.com will set up shop in China's Shanghai free trade zone, state media said on Wednesday, aiming to take advantage of less stringent trade regulations to sell a wider range of products in the country.

The U.S. online retailer's move signals its intent not only to remain in China but to beef up its presence in an e-commerce market dominated by Alibaba Group Holding and Beijing-based JD.com, the second-biggest player.