大韓同韓亞這兩間航空可以網上check in的嗎?

Asiana
Any Asiana Club member who has made an international flight booking can use the Internet boarding service.
Korean Air
Customers who have completed their ticket purchase at Korean Air’s website or any of the Korean Air's offices.
(The service is available for flights operated by Korean Air only; Excludes code-share flights operated by other carrier and group tickets. )
90 days to 48 hours prior to departure for Economy Class passenger
For both airlines, seats are not guarantee in case any changes of aircraft type changes. For Korean Air, you have to be at the airport 1hr 30mins prior to departure
Sources from both airlines' websites

***both Hong Kong and Seoul, please double check related airline(s)
in case your destination is not Seoul

咁意思係咪如果我經旅行社買機票, 就唔可以進行網上check in?