double-layered kettle we also called tilting-style sandwich cooker which adopts stainless steel for the liner, and carbon steel or stainless steel be used for its outside .The machines apply to many trades, such as foods, drink, pharmaceutical, chemical and etc. The machines can be served as sugar pot, blanching pot, boiled, and etc.This equipment with the high heat efficiency,evenly heating and easy operation to be favorable by customer .We also can supply the energy with steam,gas and electricity type.