trip to thailand, and I am from SLOVAKIA

hi i will come to Peking Capital Intl APT on 22nd of March (from Budapest airport) , on 25th of March i will travel from Peking Capital Intl APT to Bangkok Thailand Suvarnabhumi Int APT. So i will stay in Peking just 3 days. can I use 144 hr free transit?

Also , i will go home on 08.04. from Bangkok to Peking Capital Intl APT, so i will stay in Peking airport just few hours. I will go to Minsk - then Budapest. Also in this case can I use 144 hr free transit?