There are few double happiness cigarettes sold in Guiping City, because the demand exceeds the supply. Because Shuangxi is a famous cigarette brand produced by Shanghai Cigarette Factory. "Double Happiness" brand cigarette is a traditional high-quality flue-cured tobacco product. Because of its rich aroma and mellow smoke, it is listed as "National Famous Tobacco" and "Shanghai Famous Trademark", so the demand exceeds the supply and it is often out of stock.