Traweling Vilnius - Moscow - Guangzhou - Hong Kong

Hello,

i would like to trawel to Hong Kong but same time would like to use 144 hours Free transit tim in Guangdong province. I have 1 ticket Vilnius - Moscow - Guangzhou and 2nd ticket Guangzhou - Hong Kong. at this case when i have two tickets it will still be named as transit time or not? or it has to be one ticket?

thanks!