Subscribe | UPI Odd Newsletter Subscribe NANNING, China, July 8 (UPI) -- Chinese police said substandard meat seized from a Vietnamese smuggling group included chicken feet that were 46 years past their sell-by date. Police in Guangxi province announced this week they seized 22 tons of expired meat from the Vietnamese smuggling network in May, including expired chicken feet, tripe and throat that were destined for the Chinese food market, The Daily Telegraph, Britain, reported Monday. Advertisement Investigators told state-run Xinhua News Agency the expired products included chicken feet dating back to 1967. Li Jianmin, a local security chief, said the decades-old chicken feet had been treated with chemicals "to kill bacteria, prolong the expiry date" and make the products "look white and big."