Shanghai Doreliance Mechanical & Electrical Equipment Co.,Ltd is located in Pudong New Area, we are specialized in the researching, developing and manufacturing of the electromagnetic induction heating rolls, complete sets of composite machine with assorted energy conservation equipment, which is one of the most comprehensive and stablest enterprise in electromagnetic induction heating rolls manufacturing technology. We persevere in independent innovation, have numbers of national invention patents and utility models patent in the field of electromagnetic induction energy conservation heating rolls; achieve the researching ,developing ...