Porcelain crystal layer, sandblasting oxide layer, hard oxide layer, aluminum alloy layer, hard oxide layer. Jiuyang Co., Ltd. was established in 1994 and successfully listed on Shenzhen Stock Exchange on May 28th, 2008. Is a modern enterprise focusing on the research, development, production and sales of healthy food utensils. Jiuyang electric pressure cooker is a brand deeply loved by consumers, with 360 all-round protection measures, intelligent pressure regulating technology and intelligent water boiling technology. The inner container consists of a porcelain crystal layer, a sandblasting oxidation layer, a hard oxygen layer, an aluminum alloy layer and a hard oxygen layer from inside to outside.