we supply Pure iron, High Purity Iron Billet,soft iron, iron remelt ingot,electric steel(iron),electric magnetic iron,ultra low carbon magnetic iron,soft magnetic iron bar SUYB-1, ... the anneal process of the parts. (3) cold drawn,hot roll,forge.Cold process,these is no problem such as ... lathe,drill,punch,bend,drawn.Hot process,such as forge,roll,there is little redsear ...