(XINHUA)

Postal staff sort parcels at a China Postal Express & Logistics distribution center in northeast China's Liaoning Province on November 12.

November 11, known as "Double 11," has become the country's busiest annual online shopping period since last year.

It was reported that more than 35 billion yuan ($5.74 billion) was spent on Tmall.com, the B2C platform of e-commerce giant Alibaba, with a total of 170 million transactions concluded on the day.