BYD Co., Ltd. (HKEx: 12 1 1) is a Chinese mainland private enterprise listed in Hong Kong, headquartered in Shenzhen, Guangdong Province, and mainly produces batteries. In recent years, it has also developed in mobile phone parts, automobile manufacturing and notebook computer OEM. The chairman of the company is Wang Chuanfu, and the group headquarters and address are located in Longgang District, Shenzhen. In the 2009 Hurun China Rich List released on September 28th, 2009, Wang Chuanfu, the company's chairman, president and founder, became the richest man in Chinese mainland with a net worth of 35 billion.
BYD was established in1995 February 10, with a scale of more than 20 people. In 2003, it became the second largest rechargeable battery manufacturer in the world. In the same year, Qinchuan Automobile Co., Ltd. was acquired and BYD Automobile Co., Ltd. was established.