do have book online for the submission of my documents?

What I mean is that do I have to book online for the submission of my documents with the embassy or l can submit them straight at the embassy? And please check for me if this address is the correct address for the Consular on my sponsorship letter.
THE CONSULAR
THE EMBASSY OF PEOPLE'S REPUBLIC OF CHINA IN GHANA
6 AGOSTINO NETO ROAD,ACCRA
P.O.BOX GP3356,ACCRA,
AIRPORT RESIDENTIAL AREA ACCRA,GHANA