Academic Staff
![news_2050_500](/eee/-/media/department/eee/breadcrumb-image/news_2050_500.jpg?bc=ffffff&h=250&w=1025&hash=9478160630EBAD3A80483C44C88366AC)
![Dr Helen Cai Hong](/eee/-/media/department/eee/people/cai-hong-helen.jpg?bc=ffffff&h=430&w=280&hash=76C818F08C0DD8A8327221EAEEFE09A9)
- CD503
- +852 2766 6252
- helen.cai@polyu.edu.hk
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