Found in 2003, Shanghai Legion has been researching and developing high precision introduction heating roller since 2005, and it is the only scaled manufacturer in China that grasp the whole set of core technology of induction heating roller. At present, the products of Shanghai Legion have been widely applied in food and medicine packaging, non-woven fabrics, anti-fake printing, specialty paper, optical film, lithium battery, solar energy and specialty fiber. The induction heating roller and non-condensing cooling roller can meet the production requirement of no matter high class clean workshop or electric membrane production line that is strict in temperature. The products of Shanghai Legion can improve customers' product quality and decrease their energy consumption.