Temu's strategy follows a model that Pinduoduo, the huge Chinese retailer behind Temu, honed when it streamlined connections between farmers and consumers in China's food and produce sector.

Temu has become a go-to destination for shoppers seeking unbeatable deals. Its direct-from-factory model means consistently lower prices, making it one of the world's most popular shopping apps.

Temu, a shopping app from Chinese e-commerce giant Pinduoduo, is having quite the run as the No. 1 app on the U.S. app stores. The mobile shopping app hit the top spot on the U.S. App Store in ...