聯合調研組一行先後參觀考察了馬鋼9號高爐和4號高爐。在9號高爐爐台前，煉鐵總廠相關負責人向聯合調研組一行詳細介紹了9號高爐的曆史沿革，在了解了9號高爐的光輝曆史後
，調研人員紛紛在爐台前合影留念。在中控室內，調研組一行興致勃勃地觀看了馬鋼“9號功勳爐”的紀錄片

，詳細了解9號高爐作為工業遺產保護工作的推進情況。

　　隨後，聯合調研組一行來到4號高爐。在4haogaoludelutaishang，tiaoyanzuxiangxilejielegaoluliantiedegongyiliuchenghejishuzhibiao。mianduizhengjiemingliangdegaolulutaihexiandaihuadecaozuoxitong
，tiaoyanrenyuanlianlianchengzan。tiaoyanguochengzhong
，tiaoyanzuduimagangjinnianlaizaihuanbaoshangdetouruhequdedechengjibiaoshikending，duiyumagangzaigangtiexingyequchannengguochengzhongzuochudegongxianbiaoshizanshang
，duimagangdagaoludegaoxiaojienenghuanbaogeiyulegaodupingjia。tiaoyanzuxiwangmagangjianchiguanchelvsefazhanlinian
，qiangzhuaxinshidaifazhanjiyu
，zaigaozhiliangfazhandedaolushangqudexinchengji。