4399免费视频

公司經(jing)營(ying)(ying)(ying)(ying)(ying)銅(tong)(tong)(tong)(tong)(tong)管、銅(tong)(tong)(tong)(tong)(tong)排、銅(tong)(tong)(tong)(tong)(tong)棒、銅(tong)(tong)(tong)(tong)(tong)錠、銅(tong)(tong)(tong)(tong)(tong)合金管材(cai)、銅(tong)(tong)(tong)(tong)(tong)板、銅(tong)(tong)(tong)(tong)(tong)帶、銅(tong)(tong)(tong)(tong)(tong)絲(si)、銅(tong)(tong)(tong)(tong)(tong)線、磷(lin)銅(tong)(tong)(tong)(tong)(tong)板材(cai)、合金板材(cai)、電(dian)線電(dian)纜(lan)、石(shi)墨烯復(fu)合管材(cai)、鋁材(cai)、銅(tong)(tong)(tong)(tong)(tong)鋁管材(cai)、制冷(leng)配(pei)件(jian)、高性(xing)能(neng)(neng)(neng)環保(bao)(bao)型(xing)銅(tong)(tong)(tong)(tong)(tong)、汽車(che)配(pei)件(jian)、機(ji)械配(pei)件(jian)、智能(neng)(neng)(neng)機(ji)器人及配(pei)件(jian)、節能(neng)(neng)(neng)環保(bao)(bao)材(cai)料(liao)(liao)、耐(nai)火材(cai)料(liao)(liao)、保(bao)(bao)溫材(cai)料(liao)(liao)、磁(ci)性(xing)材(cai)料(liao)(liao)制造、銷(xiao)售；雙(shuang)金屬管材(cai)、電(dian)解銅(tong)(tong)(tong)(tong)(tong)、金屬材(cai)料(liao)(liao)（不含稀貴金屬）銷(xiao)售；納米材(cai)料(liao)(liao)研發、銷(xiao)售；機(ji)械設備研發；新型(xing)材(cai)料(liao)(liao)領域內(nei)的(de)(de)技術開發、技術服務、技術咨詢、技術推(tui)廣；貨物及技術進出(chu)口（國家法律(lv)(lv)、行(xing)政法規禁止經(jing)營(ying)(ying)(ying)(ying)(ying)的(de)(de)項(xiang)(xiang)目不得(de)經(jing)營(ying)(ying)(ying)(ying)(ying)，法律(lv)(lv)法規限制經(jing)營(ying)(ying)(ying)(ying)(ying)的(de)(de)取得(de)許可后方可開展經(jing)營(ying)(ying)(ying)(ying)(ying)活動）；網(wang)絡工程施(shi)工（憑資質經(jing)營(ying)(ying)(ying)(ying)(ying)）；計算機(ji)系統集成服務、計算機(ji)軟件(jian)開發及應用；經(jing)營(ying)(ying)(ying)(ying)(ying)其它無(wu)需(xu)行(xing)政審批即可經(jing)營(ying)(ying)(ying)(ying)(ying)的(de)(de)一般經(jing)營(ying)(ying)(ying)(ying)(ying)的(de)(de)項(xiang)(xiang)目。