How to apply for Chinese visa from Hong Kong

I am Ramani Perera working at the Sri Lanka Embassy in Beijing, China. My daughter who is studying in Lingnan University in Hong Kong is planing to visit me during X'mas holidays that starts in 21st December for a months time.

Could you please inform me the way she has to apply for Chinese visa. My enail : hotmail.com|ramani.perera


Thank you for your cooperation.