Inquiry (采购产品): igbt power unit hello how are you we need to desihn a igbt power unit for medium frequency rsistance welding. this power unit has 800A current. could you help us a bout the selectoin the wire that use in system. thank you. goodbye **** Hidden Message ***** ali alizadeh 021 ISR Company: faragostar E-mail: gllestan@yahoo.com **** Hidden Message ***** gllestan@yahoo.com