It will be included in your contract. All employers must pay you for the recognised Chinese National holidays. However when if comes to extended Winter and Summer school holidays, this depends in your employer.
Most training centres don\'t, but run holiday programs over the holiday, which teachers get paid for helping to run.
The bigger, International schools, will often provide full pay for Summer and Winter holidays. Others provide half pay
The key is to check the holiday pay situation when applying for a job, and raise it during the interview.