[File Photo: Alibaba]

Total transactions on Alibaba's online shopping platfom Tmall.com surpassed 10 billion yuan ($1.5 billion) in 3 minutes and 1 second on Double 11 sales extravaganza on Saturday. 

It took 6 minutes 58 seconds to reach the same transaction volume in 2016. 

Sales last year reached 120.7 billion yuan ($18.2 billion), triple the size of Black Friday and Cyber Monday combined in the US, reports said. It expects to reach 155 billion yuan this year.