User talk:Danial lo

please let me to know new technology for produce copper brass radiator and any heat exchangers .for about 6 mounts ago raw materials for our production like copper and brass price go high and this was start up of so many problem in our industry and after it the penalty that iran did start other problems too.now i try to find a soloution to solve this and we do our job again. MY QUESTION : is it possible to find a way to use other metal like zinc or steel in place of copper or brass at production of car radiators.