Which window do I go to for parcel ?   Here will be OK .   I want to mail this package .   Please put it on the scale . Where are you mailing it to ?   Zhuhai .   Do you want to mail it by air or sea ?   What's the difference in price ?   25 yuan by air , 13 yuan by sea .   How long will it take by air ?   About 2 days .   Then I will send it by air , thank you .   Please fill out this form , and what's in your package ?   Just some souvenirs . 