medyo mahirap mag walk-in apply dto ng trabaho kase hahanapan ka ng nila ng HK ID or work visa (isn't it ironic?), nde katulad sa SG na pwede ka mag-tour at mg walk-in...
so the best way to land a job in hk (for IT) is to apply online ( I got mine via jobsdb

)
i'm not sure kung merong placement agency na nagki-cater for IT...meron siguro for construction and telcos and ofcourse dh...
with regards to starting salary, this will depend ofcourse on the role that you're applying for...
Call centre agents/tech support = 10-18K HKD
DBAs = 20-60K HKD
Unix/Wintel SA = 20-60K HKD
Graphic Artist = 12-30K HKD
sympre lahat ng yan ay depende sa experience...