Stainless steel portion pans are used all over the world because their dimensions are in accordance with international standards. Stainless steel portion pots can be used in cafeterias to hold food and in freezers to hold food ingredients. Depending on the material of the portion sink, it can be divided into 201 stainless steel portion sinks and 304 stainless steel portion sinks. With the improvement of living standard and economic level, there are few people using stainless steel nowadays. Food is served in 304 stainless steel or 316 stainless steel.