Ma Haicheng: Korean boy, well-deserved defending champion of China, refreshed five mainstream tracks overnight and became one of the most influential figures in karting. His personal achievement: he won the Zhangjiang Cup karting invitational tournament in 2007, and used ID: play Nana after his comeback. After he made a video on the mine, the fans cried when they saw the words "Haicheng returns". He can be said to be a stray driver in China. Max Di, Play, TGame, Touch and wNv all left his footprints, but in the end, friendship prevailed. Haicheng got a call from Li Guang and resolutely returned to play ball. He once said that he would take part in the 2008K 1, and later withdrew for some reason. It is said that he went to Korea for training, and so far there is no news of Haicheng.