304不锈钢作为一种可食品接触用的不锈钢，也被广泛应用于制作保温杯。足够优秀的耐温及耐酸碱性使它不惧大部分的冷热饮及果汁咖啡等。304不锈钢也是尚泰保温杯系列的常规材质。尚泰严格选用规范的304不锈钢，制作而成的多款保温杯产品安全健康/保温性能良好，受到了消费者广泛认可。

304 stainless steel is the most widely used chromium-nickel stainless steel. As a widely used steel, it has good corrosion resistance, heat resistance, low temperature strength and mechanical properties; good hot workability such as stamping and bending, no heat treatment Hardening phenomenon (using temperature -196 ℃ ～ 800 ℃).

304 stainless steel, as a food-contact stainless steel, is also widely used in the production of insulated cups. Excellent enough temperature resistance and acid and alkali resistance make it not afraid of most hot and cold drinks and juice coffee. 304 stainless steel is also the conventional material of the Shangtai insulation cup series. Suntech strictly selects the standard 304 stainless steel, and a variety of insulation cup products made by it are safe and healthy / good insulation performance, and have been widely recognized by consumers.