Workers at Suning prepare goods for the upcoming Double Eleven online shopping spree at a logistics center in Nanjing, Jiangsu province on October 30, 2019. Over 20 million orders, including domestic appliances and fresh produce, have been stored at the center for the year's biggest online shopping event. [Photo: VCG]

Workers at Suning prepare goods for the upcoming Double Eleven online shopping spree at a logistics center in Nanjing, Jiangsu province on October 30, 2019. Over 20 million orders, including domestic appliances and fresh produce, have been stored at the center for the year's biggest online shopping event. [Photo: VCG]

Workers at Suning prepare goods for the upcoming Double Eleven online shopping spree at a logistics center in Nanjing, Jiangsu province on October 30, 2019. Over 20 million orders, including domestic appliances and fresh produce, have been stored at the center for the year's biggest online shopping event. [Photo: VCG]

Workers at Suning prepare goods for the upcoming Double Eleven online shopping spree at a logistics center in Nanjing, Jiangsu province on October 30, 2019. Over 20 million orders, including domestic appliances and fresh produce, have been stored at the center for the year's biggest online shopping event. [Photo: VCG]