4399在线视频免费观看

技術(shu)開發(fa)(fa)(fa)、技術(shu)咨(zi)詢(xun)、技術(shu)服務(wu)；軟件(jian)(jian)開發(fa)(fa)(fa)；計(ji)算(suan)機(ji)及(ji)(ji)輔助設(she)(she)(she)(she)(she)備(bei)(bei)、辦(ban)公設(she)(she)(she)(she)(she)備(bei)(bei)、自動化控制(zhi)設(she)(she)(she)(she)(she)備(bei)(bei)、監控設(she)(she)(she)(she)(she)備(bei)(bei)、通(tong)信設(she)(she)(she)(she)(she)備(bei)(bei)、電(dian)子(zi)(zi)產(chan)品(pin)、安(an)(an)防(fang)設(she)(she)(she)(she)(she)備(bei)(bei)、空調設(she)(she)(she)(she)(she)備(bei)(bei)、機(ji)電(dian)設(she)(she)(she)(she)(she)備(bei)(bei)、門窗的研發(fa)(fa)(fa)、銷售(shou)、安(an)(an)裝(zhuang)(zhuang)及(ji)(ji)維(wei)修(xiu)；管(guan)(guan)材管(guan)(guan)件(jian)(jian)銷售(shou)及(ji)(ji)租(zu)賃(lin)；建筑智能化系(xi)(xi)統(tong)、安(an)(an)全技術(shu)防(fang)范系(xi)(xi)統(tong)、安(an)(an)防(fang)監控系(xi)(xi)統(tong)、門禁(jin)控制(zhi)系(xi)(xi)統(tong)、樓宇對講系(xi)(xi)統(tong)、小(xiao)區智能化管(guan)(guan)理(li)系(xi)(xi)統(tong)、停車(che)(che)場收(shou)費系(xi)(xi)統(tong)的研發(fa)(fa)(fa)、設(she)(she)(she)(she)(she)計(ji)、安(an)(an)裝(zhuang)(zhuang)、維(wei)護；增值電(dian)信業務(wu)；承裝(zhuang)(zhuang)、承修(xiu)、承試電(dian)力設(she)(she)(she)(she)(she)施(shi)；通(tong)信基站設(she)(she)(she)(she)(she)施(shi)維(wei)護；通(tong)信工(gong)(gong)(gong)程(cheng)(cheng)（以上不含無線電(dian)發(fa)(fa)(fa)射設(she)(she)(she)(she)(she)備(bei)(bei)及(ji)(ji)衛星電(dian)視(shi)廣(guang)播地面接(jie)收(shou)設(she)(she)(she)(she)(she)施(shi)）、鋼結構工(gong)(gong)(gong)程(cheng)(cheng)、電(dian)子(zi)(zi)與(yu)智能化工(gong)(gong)(gong)程(cheng)(cheng)、電(dian)力工(gong)(gong)(gong)程(cheng)(cheng)、建筑工(gong)(gong)(gong)程(cheng)(cheng)、建筑裝(zhuang)(zhuang)修(xiu)裝(zhuang)(zhuang)飾工(gong)(gong)(gong)程(cheng)(cheng)、市政工(gong)(gong)(gong)程(cheng)(cheng)、機(ji)電(dian)工(gong)(gong)(gong)程(cheng)(cheng)、防(fang)水防(fang)腐保溫工(gong)(gong)(gong)程(cheng)(cheng)、管(guan)(guan)道工(gong)(gong)(gong)程(cheng)(cheng)、網絡工(gong)(gong)(gong)程(cheng)(cheng)、交通(tong)設(she)(she)(she)(she)(she)施(shi)工(gong)(gong)(gong)程(cheng)(cheng)、安(an)(an)防(fang)工(gong)(gong)(gong)程(cheng)(cheng)、園林(lin)景觀工(gong)(gong)(gong)程(cheng)(cheng)、環保工(gong)(gong)(gong)程(cheng)(cheng)的施(shi)工(gong)(gong)(gong)；建筑工(gong)(gong)(gong)程(cheng)(cheng)勞務(wu)作業分包；信息系(xi)(xi)統(tong)集成(cheng)服務(wu)；互聯網數(shu)據服務(wu)；LED電(dian)子(zi)(zi)顯示屏(ping)制(zhi)作及(ji)(ji)安(an)(an)裝(zhuang)(zhuang)；網站建設(she)(she)(she)(she)(she)與(yu)維(wei)護；銷售(shou)：手(shou)機(ji)及(ji)(ji)配件(jian)(jian)、辦(ban)公用品(pin)、計(ji)算(suan)機(ji)軟硬件(jian)(jian)、電(dian)力設(she)(she)(she)(she)(she)備(bei)(bei)、五金產(chan)品(pin)；住房(fang)租(zu)賃(lin)；廣(guang)告設(she)(she)(she)(she)(she)計(ji)、制(zhi)作、代理(li)、發(fa)(fa)(fa)布；汽車(che)(che)租(zu)賃(lin)（不含金融(rong)租(zu)賃(lin)、融(rong)資租(zu)賃(lin)）。（依法須經(jing)批準的項目，經(jing)相關部門批準后方可開展(zhan)經(jing)營活動）