First founded in the year 1956, the Double Happiness Cooker Company researched, developed and produced the first pressure cooker of China in 1964. Now, it has been developed into a group incorporated by several subsidiary companies such as Zhuhai Double Happiness Pressure Cooker Co., Ltd., Zhuhai Double Happiness Electric Appliance Co., Ltd., Yingde Aluminum Industry (Zhuhai) Co., Ltd., Zhuhai Double Happiness Cooking Ware Sale Co., Ltd., Zhuhai Enze Import & Export Co., Ltd. and Double Happiness Cooker (HK) Co., Ltd. After 50 years' development, Double Happiness products cover more than 300 ranges of kitchen cooker products, such as pressure cookers (aluminum-manganese alloy pressure cookers, aluminum-manganese alloy pressure cookers can be used by induction cooker and stainless steel pressure cooker with composite sole), frying pans (horniness series, stainless steel series and non-stick series), electric pressure cookers, induction cookers, electric cookers, boilers, electric kettles, water bottles, kitchen accessories and gas stoves. With asset of perfect R&D, production, sale and service system, it is the largest production and sale base of cooker in China.