there will probably be some in Zhongheng. There are some things for catering.
you can search on Baidu Forum
where do you sell buckets like pots in Jinan? Do you use spicy Hu soup
the bucket you want to buy is like a pot for spicy Hu soup. You can go to the catering, Kitchenware and supplies market in Jinan to buy them.
where can I find them in Jinan? The barrel like a pot is used for hu la soup in Jinan. Large supermarkets or hardware stores sell such barrels with guaranteed quality, so you can go there to learn about them.