Electromagnetic induction heating roller and other steel roller structure and application scenario requirements are different, the size is also very different. Electromagnetic induction heating roller generally uses good magnetic characteristics of metal materials such as stainless steel or copper, we will confirm the technical requirements according to customer needs for material selection processing, the main functions and functions are: efficient heating, accurate temperature control, energy saving and environmental protection, operation safety, etc., this roller is widely used in heat treatment, melting, welding plastic processing and other production lines.