Lao Pujia Xuanwei Ham was founded in 2005 by Pu Enyong, the nephew of its Xuanwei Ham merchant General Pu Zaiting, who has inherited and developed the Xuanwei ham production technology. , and for this reason, he was named the inheritor of the national intangible cultural heritage.

The Lao Pujia ham is cured with the hind legs of Wujin pigs raised in Xuanwei Dang Farm. Pu Enyong, the intangible cultural heritage inheritor, personally controls the amount of salt used, the hanging of the ham, and the quality of the ham. Fermentation is controlled to ensure the quality of ham.