2, will be affected, after all, your "origin" can prove your previous strength and learning ability. But it is not the decisive factor. Personal conditions and qualifications are the key. There are also two successful applications from students at school.
3. English is the first premise. Even if you succeed in entering school, your poor English will affect your studies. Most majors are taught in English. 6.5 Yes, but it doesn't have any advantages, depending on your other conditions.
4. Winter preparation, about 1 1 month later. Pay attention to the enrollment information of that year. It may change every year. Generally, it is necessary to apply for early admission.
5, undergraduate degree certificate, fresh students need to open a proof of reading. English scores. Undergraduate transcript (translated, stamped by the school). You have won various awards and weighty internship certificates. Of course, the more money you post, the bigger the admission fee may be. A letter of recommendation is not necessary, but it would be better if you had a professor of this major. PolyU should not have the necessary requirement of personal statement, and the master of teaching does not need to write a research proposal.
Well, that's it. Good luck.