Can we use the 144h visa in beijing?

Hello,
we are Italians who depart on 1th feb from MUC-DXB-PEK and we stay 4 nights in PEK than we fly to HKG where we stay 4 nights and then we fly to Manila and from there back to MUC.
Please give us good news about qualifing for 144h visa.
And if yes can you explain us where we have do the 144h visa, directly there o here?

Thank's a lot for information!