BYD's main business is to act as an investment and financing agent for Hong Kong and global capital. Relevant information shows that the largest shareholder of BYD Co., Ltd. is HKSCCNOMINEESLIMITED, namely Hong Kong Securities Clearing (Agency) Co., Ltd., with a shareholding ratio of 25.26%, the second largest shareholder is founder Wang Chuanfu, with a shareholding ratio of 18.83%, and the third largest shareholder is Lv Xiangyang (cousin Wang Chuanfu supported Wang Chuanfu to establish BYD).