How many kilos are allowed for handcarry bag for china airlines?

The weight allowed on luggage by plane greatly varries between different sized planes, companys and how many people are on the plane. The easy way to find out is by contacting the air line service before flying. It's not a matter to be stressed about although as if you do have to much luggage you can always post some items to your next destinaton and with luck they sometimes may just let you off with that 2 extra kg.