FedEx was parked at Ontario International Airport on February 4, 2019.
FedEx said on Sunday that an operating error prevented delivery of the Huawei Technologies package to the United States just weeks after the US supply company said  "This package was wrongly returned to the sender and we apologize for this operational error," FedEx said in a Reuters statement. A spokeswoman for the company confirmed that the package was related to the US, but declined to say what it contained.
Huawei, the world's largest telecoms maker, is at the center of the controversial trade dispute between Washington and Beijing. China has launched a FedEx investigation earlier this month for delivered Huawei plots at the wrong address without giving details of the supplies in question.
China's state news agency Xinhua said then that FedEx's investigation of misconduct should not be considered Revenge against the American company against a background of trade.
The United States and China have been engaged in a trade dispute for months on issues such as tariffs, subsidies, technologies, regulations and cyber security, among others, with Washington
"FedEx can accept and transport all Huawei products with except for any shipments to listed Huawei companies in the US list of entities, "the company said on Sunday.
The missed delivery was previously reported by the Chinese "Global Times," a tabloid published by the ruling Communist Party daily.
On Friday, the US Department of Trade said: He adds several Chinese companies and a state-owned supercomputers with military applications to their National Security List, which prevents them from buying US parts and components without approval from government.
Huawei, who said he was reviewing the relationship with FedEx after failing to process its packages earlier, did not respond immediately to Reuters's request for comment on Sunday.