inquiries about visa

If you go to PRC for sightseeing purpose, a tourist L type is required.
You should first prepare those documents including your passport and copies of all the used pages, the completed application form attached with a passport-style photo, your residence permit in Spain, as well as hotel reservation and two-way air tickets.
And then submit the application to the CVASC to apply for the L type.

therefore, do the applicant still need to apply for the visa eventhough she/he already provided all the documents needed?

Marites, after preparing all the needed documents, you still need to submit them to the CVASC to apply for the visa.