Items seized in New York include pottery, jade, bronze and Tibetan Buddhist art, some dating back thousands of years.
The US has returned 41 artefacts and antiques to China as part of a repatriation deal to help Beijing retrieve looted and smuggled relics.
The Manhattan District Attorney’s Office in New York handed over the items to China’s National Cultural Heritage Administration on Tuesday, according to state-owned broadcaster CCTV.
CCTV said the 41 relics had been “illegally exported from China”.
The administration was informed through the Chinese consulate in New York that the Manhattan prosecutor’s office had seized the 41 items while handling cases, according to the report.
It added that the administration had worked closely with the consulate to return the items.