Transiting through Guangzhou Airport for onward and return Journey to USA

Hello Respected Sir/Madam

I am an Indian and will be proceeding from New Delhi to California via Baiyun Airport. From Delhi, I will be arriving at airport by Indigo Airline. From Baiyun Airport to California by Air China Flight.

The question is how I will collect my baggage from the belt at GZ for further check in to USA Flight.

Kindly suggest me

Warm Regards