Zhuhai. Double Happiness pressure cooker is a brand of Zhuhai Double Happiness Electric Appliances Limited Liability Company, the company produced and developed China's first pressure cooker in 1964, and since then has filled the blank of the domestic cookware market, Double Happiness Electric Appliances production industrial park is located in Zhuhai, there are pressure cookers, electric pressure cookers, electric rice cookers, stainless steel products, aluminum sheet processing of the five major production lines, all the products are produced by the Zhuhai Industrial Park, Double Happiness pressure cooker is the The company's brand, Shuangxi pressure cooker is also produced by Zhuhai Industrial Park. Therefore, authentic Shuangxi pressure cooker Zhuhai production.