馬(ma)鋼(gang)(gang)(gang)是中國寶武鋼(gang)(gang)(gang)鐵集團有限公(gong)司控股(gu)子公(gong)司，擁有A+H股(gu)上市公(gong)司1家、新三板上市公(gong)司3家，具(ju)備2000萬噸鋼(gang)(gang)(gang)配套生產規模，在崗員工4.8萬人。2019年，馬(ma)鋼(gang)(gang)(gang)集團產鋼(gang)(gang)(gang)1984萬噸，實(shi)現營(ying)業(ye)收入(ru)986億元，利潤總額36.5億元。

馬鋼的(de)前身是成立于1953年的(de)馬鞍山(shan)鐵(tie)(tie)廠；1958年馬鞍山(shan)鋼鐵(tie)(tie)公(gong)(gong)(gong)(gong)司(si)成立；1993年成功實施(shi)(shi)股份制改制，分(fen)立為馬鋼總(zong)公(gong)(gong)(gong)(gong)司(si)和馬鞍山(shan)鋼鐵(tie)(tie)股份有限公(gong)(gong)(gong)(gong)司(si)；1998年馬鋼總(zong)公(gong)(gong)(gong)(gong)司(si)依法改制為馬鋼（集(ji)團）控股有限公(gong)(gong)(gong)(gong)司(si)；2019年9月19日，中(zhong)國(guo)寶武與馬鋼集(ji)團重組實施(shi)(shi)協議正式簽約，馬鋼集(ji)團成為中(zhong)國(guo)寶武控股子公(gong)(gong)(gong)(gong)司(si)，中(zhong)國(guo)寶武持有馬鋼集(ji)團51%股權，安徽(hui)省國(guo)資委(wei)持有馬鋼集(ji)團49%股權。

馬(ma)鋼是多(duo)元協同(tong)(tong)發(fa)展的集團化企業(ye)(ye)，構(gou)建了鋼鐵及產(chan)(chan)(chan)業(ye)(ye)鏈延伸產(chan)(chan)(chan)業(ye)(ye)、戰略性新興(xing)產(chan)(chan)(chan)業(ye)(ye)協同(tong)(tong)發(fa)展的產(chan)(chan)(chan)業(ye)(ye)格局(ju)。鋼鐵產(chan)(chan)(chan)業(ye)(ye)擁(yong)有馬(ma)鋼股份(fen)公(gong)司(si)本部、長江鋼鐵、合肥公(gong)司(si)、瓦頓公(gong)司(si)四大鋼鐵生(sheng)產(chan)(chan)(chan)基地，冷熱軋(ya)薄板(ban)(ban)、彩(cai)涂板(ban)(ban)、鍍鋅(xin)板(ban)(ban)、H型鋼、高速線(xian)材、高速棒材和(he)(he)車(che)(che)輪(lun)輪(lun)箍(gu)等生(sheng)產(chan)(chan)(chan)線(xian)，長材、板(ban)(ban)帶、輪(lun)軸三大系列產(chan)(chan)(chan)品(pin)(pin)，車(che)(che)輪(lun)、H型鋼、冷鐓鋼、管線(xian)鋼等產(chan)(chan)(chan)品(pin)(pin)擁(yong)有自主知識產(chan)(chan)(chan)權和(he)(he)核(he)心技術。多(duo)元產(chan)(chan)(chan)業(ye)(ye)擁(yong)有礦(kuang)產(chan)(chan)(chan)資(zi)(zi)源、工(gong)程技術、廢鋼資(zi)(zi)源、化工(gong)能源、貿(mao)易物(wu)流、金(jin)融(rong)投資(zi)(zi)、節(jie)能環保、信息(xi)技術、新材料等板(ban)(ban)塊(kuai)。