According to the news in the early morning of November 11, on the record night of global carnival season of tmall double 11 in 2020, the real-time turnover of tmall double 11 exceeded RMB 372.3 billion from November 1 to 0.30 on November 11. Compared with previous years, this year’s tmall double 11 is divided into two waves of sales, with pre-sale starting on October 21, the first wave of sales peak from November 1-3, and the second wave on November 11. < p > < p > previously, Alibaba introduced that this year’s tmall double 11 had 250000 brands and 5 million merchants, including more than 2 million offline businesses. 14 million products participated in the double 11 discount, 1.4 times that of last year. Spontaneous combustion at a Guangzhou Motor vehicle intersection and other traffic lights in Shenzhen