On August 9, BYD's 5 millionth new energy vehicle - Tengshi N7 officially rolled off the production line。At the event, BYD Chairman and President Wang Chuanfu recalled BYD's nearly 20 years of development from 2003 to the automotive industry, and when it came to the hardships of starting a business, Wang Chuanfu choked up several times at the scene.。