4399免费视频

技(ji)(ji)術(shu)開(kai)發(fa)、技(ji)(ji)術(shu)咨詢(xun)、技(ji)(ji)術(shu)服務(wu)；軟(ruan)件開(kai)發(fa)；計算機及輔(fu)助設(she)(she)(she)(she)備(bei)(bei)(bei)(bei)(bei)、辦公(gong)設(she)(she)(she)(she)備(bei)(bei)(bei)(bei)(bei)、自動(dong)(dong)化(hua)(hua)控制設(she)(she)(she)(she)備(bei)(bei)(bei)(bei)(bei)、監控設(she)(she)(she)(she)備(bei)(bei)(bei)(bei)(bei)、通(tong)(tong)信設(she)(she)(she)(she)備(bei)(bei)(bei)(bei)(bei)、電(dian)(dian)子(zi)(zi)產品、安(an)防(fang)(fang)設(she)(she)(she)(she)備(bei)(bei)(bei)(bei)(bei)、空調(diao)設(she)(she)(she)(she)備(bei)(bei)(bei)(bei)(bei)、機電(dian)(dian)設(she)(she)(she)(she)備(bei)(bei)(bei)(bei)(bei)、門窗的研發(fa)、銷售、安(an)裝(zhuang)(zhuang)及維修(xiu)；管(guan)材管(guan)件銷售及租(zu)(zu)賃；建(jian)筑智能化(hua)(hua)系(xi)統(tong)(tong)(tong)(tong)、安(an)全(quan)技(ji)(ji)術(shu)防(fang)(fang)范(fan)系(xi)統(tong)(tong)(tong)(tong)、安(an)防(fang)(fang)監控系(xi)統(tong)(tong)(tong)(tong)、門禁控制系(xi)統(tong)(tong)(tong)(tong)、樓(lou)宇對講(jiang)系(xi)統(tong)(tong)(tong)(tong)、小區智能化(hua)(hua)管(guan)理系(xi)統(tong)(tong)(tong)(tong)、停車(che)場(chang)收(shou)費(fei)系(xi)統(tong)(tong)(tong)(tong)的研發(fa)、設(she)(she)(she)(she)計、安(an)裝(zhuang)(zhuang)、維護(hu)；增值電(dian)(dian)信業務(wu)；承裝(zhuang)(zhuang)、承修(xiu)、承試電(dian)(dian)力(li)(li)設(she)(she)(she)(she)施(shi)(shi)；通(tong)(tong)信基(ji)站設(she)(she)(she)(she)施(shi)(shi)維護(hu)；通(tong)(tong)信工(gong)(gong)程(cheng)(cheng)(cheng)(cheng)（以上不含(han)無線電(dian)(dian)發(fa)射設(she)(she)(she)(she)備(bei)(bei)(bei)(bei)(bei)及衛星(xing)電(dian)(dian)視廣(guang)播地面接收(shou)設(she)(she)(she)(she)施(shi)(shi)）、鋼(gang)結構(gou)工(gong)(gong)程(cheng)(cheng)(cheng)(cheng)、電(dian)(dian)子(zi)(zi)與(yu)智能化(hua)(hua)工(gong)(gong)程(cheng)(cheng)(cheng)(cheng)、電(dian)(dian)力(li)(li)工(gong)(gong)程(cheng)(cheng)(cheng)(cheng)、建(jian)筑工(gong)(gong)程(cheng)(cheng)(cheng)(cheng)、建(jian)筑裝(zhuang)(zhuang)修(xiu)裝(zhuang)(zhuang)飾工(gong)(gong)程(cheng)(cheng)(cheng)(cheng)、市政工(gong)(gong)程(cheng)(cheng)(cheng)(cheng)、機電(dian)(dian)工(gong)(gong)程(cheng)(cheng)(cheng)(cheng)、防(fang)(fang)水防(fang)(fang)腐保(bao)溫工(gong)(gong)程(cheng)(cheng)(cheng)(cheng)、管(guan)道工(gong)(gong)程(cheng)(cheng)(cheng)(cheng)、網(wang)絡工(gong)(gong)程(cheng)(cheng)(cheng)(cheng)、交通(tong)(tong)設(she)(she)(she)(she)施(shi)(shi)工(gong)(gong)程(cheng)(cheng)(cheng)(cheng)、安(an)防(fang)(fang)工(gong)(gong)程(cheng)(cheng)(cheng)(cheng)、園林景觀(guan)工(gong)(gong)程(cheng)(cheng)(cheng)(cheng)、環保(bao)工(gong)(gong)程(cheng)(cheng)(cheng)(cheng)的施(shi)(shi)工(gong)(gong)；建(jian)筑工(gong)(gong)程(cheng)(cheng)(cheng)(cheng)勞務(wu)作業分包；信息系(xi)統(tong)(tong)(tong)(tong)集(ji)成服務(wu)；互聯網(wang)數據服務(wu)；LED電(dian)(dian)子(zi)(zi)顯(xian)示屏制作及安(an)裝(zhuang)(zhuang)；網(wang)站建(jian)設(she)(she)(she)(she)與(yu)維護(hu)；銷售：手機及配件、辦公(gong)用(yong)品、計算機軟(ruan)硬件、電(dian)(dian)力(li)(li)設(she)(she)(she)(she)備(bei)(bei)(bei)(bei)(bei)、五金產品；住房(fang)租(zu)(zu)賃；廣(guang)告設(she)(she)(she)(she)計、制作、代理、發(fa)布；汽車(che)租(zu)(zu)賃（不含(han)金融(rong)租(zu)(zu)賃、融(rong)資(zi)租(zu)(zu)賃）。（依法須經批(pi)準的項目，經相(xiang)關部門批(pi)準后(hou)方可開(kai)展經營活動(dong)(dong)）