English language info at:
http://www.hkracingform.com/download.htm
The HK Jockey Club gives all their annual surplus away to charity; about $150,000,000 US per year (or about what Magna loses each quarter

).
I've read the scarcity of land is such that horses are stabled in hi-rise barns. Stalls all have video surveillance, all workouts videotaped and available to the public online, etc....