you need to apply for a China visa in USA. You may submit the application to the Visa Office of the Embassy or Consulate -General which holds consular jurisdiction over the state where you reside;

If you cannot come in person, you may entrust someone else or a travel/visa agent to drop off your application at the visa office of the Embassy or Consulate -General which holds consular jurisdiction over the state where you reside;
▲No appointment is required.
▲Mailed applications are not acceptable and will be returned.