4399免费视频

消防設(she)(she)施工(gong)程(cheng)施工(gong)。（依法須(xu)經(jing)批準(zhun)的項(xiang)(xiang)(xiang)目，經(jing)相(xiang)關(guan)(guan)部門批準(zhun)后方可開展(zhan)經(jing)營(ying)活動(dong)，具(ju)體經(jing)營(ying)項(xiang)(xiang)(xiang)目以相(xiang)關(guan)(guan)部門批準(zhun)文件(jian)或許可證為準(zhun)）一般項(xiang)(xiang)(xiang)目：鐵(tie)路運輸輔助活動(dong)；機(ji)械(xie)設(she)(she)備研發；采(cai)礦(kuang)行業高效節能(neng)(neng)技術研發；軌道(dao)交通專業設(she)(she)備、關(guan)(guan)鍵系(xi)統及(ji)部件(jian)銷(xiao)售(shou)(shou)；水泥(ni)制品銷(xiao)售(shou)(shou)；橡膠制品銷(xiao)售(shou)(shou)；普通機(ji)械(xie)設(she)(she)備安裝服務(wu)；軌道(dao)交通工(gong)程(cheng)機(ji)械(xie)及(ji)部件(jian)銷(xiao)售(shou)(shou)；特制設(she)(she)備銷(xiao)售(shou)(shou)；礦(kuang)山機(ji)械(xie)銷(xiao)售(shou)(shou)；機(ji)械(xie)設(she)(she)備銷(xiao)售(shou)(shou)；機(ji)械(xie)零(ling)件(jian)、零(ling)部件(jian)銷(xiao)售(shou)(shou)；高性(xing)能(neng)(neng)纖維及(ji)復合材(cai)料銷(xiao)售(shou)(shou)；新(xin)材(cai)料技術研發。