Make sure you hold valid identity.
       Please prearrange your transportation in order to ensure your pleasant trip.
       Please reserve your accommodation in a star-listing hotel. You may get favorable price if you book your transportation and accommodation through travel agency.
       Generally speaking,shopping malls,department stores and convenience stores in Zhengzhou do not accept foreign currency payment but it's OK for tourists to use credit card. You may exchange foreign currency in Bank of China and starlisting hotels in the city.