BYD Co., Ltd. (hereinafter referred to as BYD, HKEX:121,Shenzhen Stock Exchange: 002594) is a private enterprise in Chinese mainland listed in Hong Kong, headquartered in Shenzhen, Guangdong Province, mainly engaged in rechargeable battery business, mobile phone parts and assembly business, as well as automobile business including traditional fuel vehicles and new energy vehicles, while actively expanding new energy products. The chairman and president is Wang Chuanfu, and the group headquarters and address are located in Longgang District, Shenzhen. On the 2009 Hurun China Rich List released on September 28th, 2009, the company's founder Wang Chuanfu became the richest man in Chinese mainland with a net worth of 35 billion.