Dorik Enterprise Co.,LTD specializes in the fabrication of IGBT switching rectifier and thyristor . The rectifiers are widely used in plating, anodizing, electrolysis, aluminum oxidation, metal finishing, electro machining, water treatment, silicon growth, lab test, inductive heating , as well as pharmaceuticals, fine chemicals, DC motor DC power supply tests and so on. In addition, we are also distributor of electronic components and industrial control parts,such as Darlington, IGBT, IPM, SCR, ...