About 500.com Ltd 500.com Limited is an online sports lottery service provider in China.

It also offers financial technology services and physical channels that sell sports lottery tickets in China, according to its latest annual filing here.

China's sports lottery organizations made a contribution of near 100 million yuan, including HK$20 million ($2.6 million) from the Hong Kong Equestrian Committee.

One of the companies, Brandywine Bookmaking, operates 17 sports books in Nevada and also runs the Delaware Sports Lottery with partner companies.