Trieu Minh Hiep Bakery, a family business spanning three generations in Ho Chi Minh City, has upheld a tradition of crafting Teochew pia cakes by hands for over seven decades.
Source: VNExpress International,
https://e.vnexpress.net/news/food/timeless-flavors-75-years-of-handmade-teochew-pia-cakes-in-saigon-4647007.html