It's true. Qihu is a brand of Yongkang Qihu Industry & Trade Co., Ltd., and its thermos cup products are made of 3 16 stainless steel, which has good strength, corrosion resistance and thermal stability at high temperature. It is an ideal material for manufacturing high-quality thermos cups, and there is no counterfeiting, so Qihu thermos cup 3 16 is real.