This may have come from Southeast Asian pangolins smuggled into China as TCM ingredients. Do not let nationalism blind you to facts.

https://www.sciencedirect.com/science/article/pii/S0960982220303602

https://www.sciencedirect.com/science/article/pii/S0022283620302874

https://www.biorxiv.org/content/10.1101/2020.02.07.939207v1.abstract