the requirements for tourist L are as follows:
1.Properly and truthfully filled out Application Form, to which one passport-size photo is attached;
2.Valid passport with blank pages and a photocopy of the data page;
3. Round trip air-ticket, hotel reservation, traveler check and original invitation from an authorized travel agency.
The fee is leones 230,000 for single entry and leones 350,000 for double entry. Sorry for a air ticket, which you may check your own on internet.
You can submit your application together with above documents to Chinese embassy and the general processing takes 4 working days.