4399免费视频

公司經(jing)(jing)(jing)營(ying)銅(tong)(tong)管、銅(tong)(tong)排、銅(tong)(tong)棒、銅(tong)(tong)錠、銅(tong)(tong)合金管材(cai)(cai)(cai)(cai)、銅(tong)(tong)板(ban)(ban)、銅(tong)(tong)帶、銅(tong)(tong)絲、銅(tong)(tong)線、磷銅(tong)(tong)板(ban)(ban)材(cai)(cai)(cai)(cai)、合金板(ban)(ban)材(cai)(cai)(cai)(cai)、電線電纜、石(shi)墨(mo)烯復合管材(cai)(cai)(cai)(cai)、鋁材(cai)(cai)(cai)(cai)、銅(tong)(tong)鋁管材(cai)(cai)(cai)(cai)、制(zhi)冷配(pei)件(jian)(jian)、高(gao)性能(neng)環保型(xing)銅(tong)(tong)、汽車配(pei)件(jian)(jian)、機(ji)械配(pei)件(jian)(jian)、智能(neng)機(ji)器人及(ji)配(pei)件(jian)(jian)、節能(neng)環保材(cai)(cai)(cai)(cai)料(liao)、耐火材(cai)(cai)(cai)(cai)料(liao)、保溫材(cai)(cai)(cai)(cai)料(liao)、磁性材(cai)(cai)(cai)(cai)料(liao)制(zhi)造、銷售；雙金屬管材(cai)(cai)(cai)(cai)、電解銅(tong)(tong)、金屬材(cai)(cai)(cai)(cai)料(liao)（不(bu)含稀貴金屬）銷售；納米材(cai)(cai)(cai)(cai)料(liao)研發(fa)(fa)、銷售；機(ji)械設備(bei)研發(fa)(fa)；新型(xing)材(cai)(cai)(cai)(cai)料(liao)領域內的(de)技(ji)(ji)術(shu)開(kai)(kai)發(fa)(fa)、技(ji)(ji)術(shu)服務、技(ji)(ji)術(shu)咨(zi)詢(xun)、技(ji)(ji)術(shu)推廣(guang)；貨物及(ji)技(ji)(ji)術(shu)進出口（國家(jia)法(fa)律、行政法(fa)規(gui)禁(jin)止經(jing)(jing)(jing)營(ying)的(de)項目(mu)不(bu)得(de)經(jing)(jing)(jing)營(ying)，法(fa)律法(fa)規(gui)限(xian)制(zhi)經(jing)(jing)(jing)營(ying)的(de)取得(de)許可(ke)后方可(ke)開(kai)(kai)展經(jing)(jing)(jing)營(ying)活動）；網絡工程施工（憑資質經(jing)(jing)(jing)營(ying)）；計算機(ji)系統(tong)集(ji)成服務、計算機(ji)軟(ruan)件(jian)(jian)開(kai)(kai)發(fa)(fa)及(ji)應用；經(jing)(jing)(jing)營(ying)其它無需(xu)行政審批即可(ke)經(jing)(jing)(jing)營(ying)的(de)一般經(jing)(jing)(jing)營(ying)的(de)項目(mu)。