Our 20cm M-type Quick Cooking Stainless Steel 304 Pressure Cooker Safety Locking Lid Stainless Steel Pressure Cookers has unique advantages of performance and so on. It is made of raw materials that have passed the certification of the quality management system. Moreover,Specializing in the production of stainless steel household products, hotel supplies and kitchen utensils is tested by our QC team and can't be delivered out of our factory until we confirm its quality. Its quality can be 100% guaranteed.