All Standard Operating Procedures for Hong Kong VACC are posted here:
Standards related to ATC positions (SOP001-010):
(Hong Kong International Airport SOP)
(Macau International Airport SOP)
(Kaitak International Airport SOP)
(Hong Kong Terminal Airspace SOP)
(Hong Kong En-route Radar Control SOP)
(Hong Kong Visual Flight Rules Control SOP)
(Pre-departure Clearance SOP)
Standards related to general practices (SOP011-SOP030):
(Voice Communication Setup and ATIS Guide)
(Text Callsign Usage and Visual Range at Hong Kong VACC)
(Hong Kong VACC Sector File Installation)
Standards related to Topics in Air Traffic Control (SOP051-SOP100):
(Hong Kong Airspace Introductory Guide)