Founded in 1901, Dörentrup has been at the forefront of pioneering refractory products for Germany’s foundry industry. DFP was the first to introduce neutral lining and liquid sintering for induction furnaces. As a leader in refractory technology for both core and coreless induction furnaces, DFP’s innovative solutions have dramatically reduced plant losses. With over 100+ years of excellence, Dörentrup is recognized as a trusted partner in the ferrous, non-ferrous and coreless induction based mini steel plants. Our customers rely on us for outstanding technical service, consistently superior product quality, reliability, and flexibility-values we have upheld for generations.