Why China's express delivery is so fast?

48 hours! That's all you need to deliver a package in China on average. For deliveries from Shanghai to Jiangsu, Zhejiang and Anhui, next-day arrival has become a norm. How to make it? Follow China Daily reporter to Huaxin town, Qingpu district of Shanghai where the most famous Chinese express companies are headquartered and find out the secret behind the amazing speed of China's express delivery.