Zhao Liping and her sister-in-law Yang Xiaojing take shifts driving the truck from Beijing to Wenzhou, Zhejiang province, on July 24. Zhao Liping, a thin woman who is 1.63 meters tall, does not fit the conventional idea of a truck driver. However, the 33-year-old mother from Bozhou, Anhui province, has been a trucker for 10 years and has driven more …