I am not from Zhengzhou, but I was admitted to a music school before.
First of all, you need to know what your specialty is, whether it is vocal music, dance or musical instruments, but the musical instrument must be You are very good at it. You chose piano. I guess it is difficult to say. I must say that your vocal music or dance are a little outstanding. Then the chance of getting into a music school will be greatly increased, because piano is a compulsory course after entering a music school. We All exams require passing Level 6 to meet the standards.
Generally, you need to register in advance for music exams, and start taking the exam around May, and then wait until the cultural transcripts come out in July before considering whether to recruit students.
Generally, if you choose music as a specialty, your cultural score can be reduced by about 100-150 points, but the college and cultural majors you study are naturally not that good, so you still have to make your own decisions.
If you have expertise in music, I suggest you ask your music teacher to write a letter of recommendation. This will increase your chances of getting into your ideal school. Bless you!