Amazon (NASDAQ: AMZN) is the largest online e-commerce company in the United States, located in Seattle, Washington. It is one of the earliest companies to start e-commerce on the Internet. Amazon was founded in 1995. At the beginning, it only operated online book sales business. Now it has expanded to a wide range of other products. It has become the world's largest online retailer with the most product varieties and the world's second largest Internet company. Under the company's name, it also includes subsidiaries such as AlexaInternet, a9, lab126, and Internet Movie Database (IMDB).

Amazon and other sellers provide customers with millions of unique new, refurbished and second-hand products, such as books, movies, music and games, digital downloads, electronics and computers, home and garden products, toys, baby products, food, clothing, shoes and jewelry, health and personal care products, sports and outdoor products, toys, automobiles and industrial products, etc.

In August 2004, Amazon acquired Joyo.com, combining Amazon's world-leading online retail expertise with Joyo.com's deep experience in the Chinese market, further enhancing customer experience and promoting the growth of China's e-commerce.

In March 2018, the official website of the Beijing Consumers Association showed that the Beijing Consumers Association purchased 19 comparative test samples from Amazon in 2017, of which 9 did not meet the standards, with a non-compliance rate of 47.4%. On July 19, 2018, the Fortune Global 500 list was released, with Amazon ranked 18th. On December 18, the "2018 World's Top 500 Brands" compiled by the World Brand Lab was announced, with Amazon ranking first.

On July 18, 2019, seller services for third-party sellers on the Amazon China website were stopped