You need to submit your visa application to Chinese Visa Application Service Center. The detail information is listed above. You are required to make a online appointment beforehand. The requirements are your passport, one passport photo, an application form, documents that entitle you to reside for an extended period of time in the SPR,WP,EP,STP,DP. Photocopy of a confirmed return air ticket and you may be requested to supply proof of travel expenses.