No, the operators, mechanics, modelers, pastry workers, cleaners and security guards recruited by BYD in Zhengzhou Port all need to study in other places for three months, and then arrange to return to work in the local area, while tractor drivers do not go to other places for training, as long as they have one year's experience and are skilled in driving. BYD, a China automaker, is listed on the Hong Kong Stock Exchange in China.