I'm afriad that you can't get a Philippines visa from China if you don't have Original employment certificate/introduction from work unit written in English in China
A. Requirements:

Passport and travel document valid for at least six (6) months beyond the authorized date of stay in the Philippines; (photocopy of the data page)

For Chinese and other nationalities: One (1) Completed application form with photograph.

Original employment certificate/introduction from work unit written in English

Proof of financial capacity through at least one of the following documents: However, the Consular Officer may request for additional documents.

- certificate of property ownership

- bank statement

- internationally-valid credit card (photocopy)

- written guarantee executed by an accredited Chinese travel agency guaranteeing the departure of the visitor from the Philippines.

Confirmed return/onward passage ticket (photocopy); and

Visa fee of RMB250 per applicant for PROC Nationals. RMB300-400 for other Nationalities.