Where can I buy a large iron pot for steamed bread in Wanggezhuang, Qingdao?

Laoshan District, Qingdao City, Shandong Province. According to Baidu map, Qingdao Wanggezhuang Steamed Bread Pot Shop is located in the south of hejia village Ningzhen Kindergarten East 100 meters, No.214 Provincial Road, Laoshan District, Qingdao, Shandong Province. Business hours are from Monday to Sunday from 07: 00 to 18: 00. Iron pot steamed bread uses fresh wheat produced that year, and the secret recipe adds a certain proportion of milk, eggs and rice.