Inspect your log file. Are the emissions being read correctly, or do you have many, many species that are not found?
Before posting again, please review the “PLEASE READ before posting” message. Make a new thread for your post. Include your log file. State clearly what you have done.
What is different in your case compared to others who have used CMAQ to simulate air quality in China? Are you using the same emissions data successfully used by others, or is it a new dataset you have created? If so, how was it prepared? Are you using meteorological data that have been used previously, or is this a new dataset? If so, how was it prepared?