Beijing Hengrun Science and Technology Co.Ltd is the biggest electronics agent in china,We are the agent of MITSUBISHI,SANREX,SANKEN,FUJI,TOSHIBA,SIEMENS,SEMIKRON,MOTOROLA,IR,PRX,ABB,EUPEC,HITACHI,IXYS,FAIRCHILD and so on. We engage in many kinds of electronics include: GTR,IGBT,IPM, PIM,Silicon Controlled Rectifier(SCR) , Quick Recovery Diode , Power Bridge Rectifiers, Filed-Effect Module , Electrolytic Capacitor of　 Hitachi Co., Ltd., American　CDE, Absorb　High　Frequency　Noninductive Capacitor, JAPAN High- Power Trigged Resistance Fuse , Importable Super Rapid Fuse , Drive Circuit of Diversified　 Importable Brands , Electrical Outlet for　 MITSUBISH's IPMs,Optoelectronic Couplers ,Current Voltage Sensor of　 LEM and American VICOR.Co., Nihon LAMBDA. Co., Nihon TDK Co., Nihon Cosel.Co, ASTEC in Hong Kong; American LUCENT Co., and so on .and they produced products of DC/DC,AC/DC, and Correction Power Module,all series of DC/DC Special Cooling Fin for Supporting importation of power module. website:www.ic-module.com. Mail/MSN:ic-module@hotmail.com Yahoo ID:modulesupplier Skype: modulesupplier