Alibaba, the Chinese ecommerce group, is overhauling the business model of a fast-growing subsidiary in a bid to offer a full international service able to challenge Amazon, the world's largest online retailer.

Trudy Dai, president of Alibaba's wholesale marketplaces division, told the Financial Times that AliExpress — an ecommerce business that sells goods from Chinese retailers to customers in more than 150 countries — is making changes to enable retailers from other countries to also sell products on its platform around the world.

"From the very first day that Alibaba was founded we had a 'global dream'," said Dai, who