Tianshui authentic lard box, round and exquisite, is made of high-quality pig plate oil and formula and dense seasoning. The square one is called Tianshui cake. I don't know why it's called lard box. Tianshui cake is made of inferior materials. It's basically made of water, oil and spices collected from a pork shop, but it tastes ok. You should pay attention to what you eat, but you should also know what's inside. Don't eat east and west.