i am an international student in russia now..i want to apply for a school in china to study

Kay, it’s possible to apply for it from there.
You need to provide those documents containing the filled-out application form affixed with a passport-style photo taken recently, your passport and copy of its data page, your residence permit or study permit in Russia, as well as the admission letter from a Chinese school and JW201 form or JW202 form, and other materials the consular officers consider necessary.