4399免费视频

技(ji)(ji)(ji)術(shu)(shu)(shu)開(kai)(kai)發、技(ji)(ji)(ji)術(shu)(shu)(shu)咨詢、技(ji)(ji)(ji)術(shu)(shu)(shu)服(fu)務；軟件(jian)開(kai)(kai)發；計算(suan)機(ji)及輔助設(she)(she)(she)(she)備(bei)(bei)(bei)、辦(ban)(ban)公(gong)(gong)設(she)(she)(she)(she)備(bei)(bei)(bei)、自動化(hua)控(kong)制(zhi)設(she)(she)(she)(she)備(bei)(bei)(bei)、監控(kong)設(she)(she)(she)(she)備(bei)(bei)(bei)、通信(xin)(xin)(xin)設(she)(she)(she)(she)備(bei)(bei)(bei)、電(dian)子(zi)(zi)產(chan)品(pin)、安防(fang)(fang)設(she)(she)(she)(she)備(bei)(bei)(bei)、空調設(she)(she)(she)(she)備(bei)(bei)(bei)、機(ji)電(dian)設(she)(she)(she)(she)備(bei)(bei)(bei)、門(men)窗的(de)(de)(de)研發、銷(xiao)(xiao)售(shou)(shou)、安裝及維修(xiu)(xiu)；管(guan)材管(guan)件(jian)銷(xiao)(xiao)售(shou)(shou)及租(zu)賃(lin)(lin)；建(jian)(jian)筑智能(neng)(neng)化(hua)系(xi)統(tong)(tong)(tong)、安全技(ji)(ji)(ji)術(shu)(shu)(shu)防(fang)(fang)范(fan)系(xi)統(tong)(tong)(tong)、安防(fang)(fang)監控(kong)系(xi)統(tong)(tong)(tong)、門(men)禁(jin)控(kong)制(zhi)系(xi)統(tong)(tong)(tong)、樓(lou)宇對講系(xi)統(tong)(tong)(tong)、小區智能(neng)(neng)化(hua)管(guan)理系(xi)統(tong)(tong)(tong)、停車場收費(fei)系(xi)統(tong)(tong)(tong)的(de)(de)(de)研發、設(she)(she)(she)(she)計、安裝、維護；增(zeng)值電(dian)信(xin)(xin)(xin)業務；承(cheng)裝、承(cheng)修(xiu)(xiu)、承(cheng)試電(dian)力設(she)(she)(she)(she)施(shi)；通信(xin)(xin)(xin)基站設(she)(she)(she)(she)施(shi)維護；通信(xin)(xin)(xin)工(gong)(gong)(gong)程(cheng)(cheng)（以上不含(han)無線電(dian)發射設(she)(she)(she)(she)備(bei)(bei)(bei)及衛星電(dian)視(shi)廣(guang)播地面接收設(she)(she)(she)(she)施(shi)）、鋼結構(gou)工(gong)(gong)(gong)程(cheng)(cheng)、電(dian)子(zi)(zi)與(yu)智能(neng)(neng)化(hua)工(gong)(gong)(gong)程(cheng)(cheng)、電(dian)力工(gong)(gong)(gong)程(cheng)(cheng)、建(jian)(jian)筑工(gong)(gong)(gong)程(cheng)(cheng)、建(jian)(jian)筑裝修(xiu)(xiu)裝飾(shi)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)(fang)水(shui)防(fang)(fang)腐保溫工(gong)(gong)(gong)程(cheng)(cheng)、管(guan)道工(gong)(gong)(gong)程(cheng)(cheng)、網絡(luo)工(gong)(gong)(gong)程(cheng)(cheng)、交通設(she)(she)(she)(she)施(shi)工(gong)(gong)(gong)程(cheng)(cheng)、安防(fang)(fang)工(gong)(gong)(gong)程(cheng)(cheng)、園(yuan)林(lin)景觀工(gong)(gong)(gong)程(cheng)(cheng)、環保工(gong)(gong)(gong)程(cheng)(cheng)的(de)(de)(de)施(shi)工(gong)(gong)(gong)；建(jian)(jian)筑工(gong)(gong)(gong)程(cheng)(cheng)勞務作業分包(bao)；信(xin)(xin)(xin)息系(xi)統(tong)(tong)(tong)集成服(fu)務；互聯網數據服(fu)務；LED電(dian)子(zi)(zi)顯(xian)示屏(ping)制(zhi)作及安裝；網站建(jian)(jian)設(she)(she)(she)(she)與(yu)維護；銷(xiao)(xiao)售(shou)(shou)：手機(ji)及配件(jian)、辦(ban)(ban)公(gong)(gong)用品(pin)、計算(suan)機(ji)軟硬件(jian)、電(dian)力設(she)(she)(she)(she)備(bei)(bei)(bei)、五金(jin)產(chan)品(pin)；住房租(zu)賃(lin)(lin)；廣(guang)告設(she)(she)(she)(she)計、制(zhi)作、代理、發布；汽車租(zu)賃(lin)(lin)（不含(han)金(jin)融租(zu)賃(lin)(lin)、融資租(zu)賃(lin)(lin)）。（依法(fa)須經(jing)批準的(de)(de)(de)項目，經(jing)相(xiang)關部門(men)批準后方可開(kai)(kai)展(zhan)經(jing)營(ying)活動）