4399免费视频

技(ji)術(shu)(shu)開發、技(ji)術(shu)(shu)咨詢、技(ji)術(shu)(shu)服(fu)務(wu)(wu)；軟(ruan)件開發；計算機(ji)及輔助設(she)(she)備(bei)、辦公設(she)(she)備(bei)、自動化(hua)(hua)控(kong)制設(she)(she)備(bei)、監(jian)控(kong)設(she)(she)備(bei)、通信設(she)(she)備(bei)、電(dian)(dian)(dian)子(zi)產品(pin)、安防(fang)(fang)設(she)(she)備(bei)、空調設(she)(she)備(bei)、機(ji)電(dian)(dian)(dian)設(she)(she)備(bei)、門窗的研發、銷(xiao)售(shou)、安裝及維(wei)修；管(guan)材(cai)管(guan)件銷(xiao)售(shou)及租(zu)賃(lin)；建(jian)(jian)筑(zhu)智能(neng)(neng)化(hua)(hua)系(xi)(xi)(xi)統(tong)(tong)(tong)、安全技(ji)術(shu)(shu)防(fang)(fang)范(fan)系(xi)(xi)(xi)統(tong)(tong)(tong)、安防(fang)(fang)監(jian)控(kong)系(xi)(xi)(xi)統(tong)(tong)(tong)、門禁控(kong)制系(xi)(xi)(xi)統(tong)(tong)(tong)、樓宇對講系(xi)(xi)(xi)統(tong)(tong)(tong)、小區智能(neng)(neng)化(hua)(hua)管(guan)理(li)系(xi)(xi)(xi)統(tong)(tong)(tong)、停(ting)車場收費系(xi)(xi)(xi)統(tong)(tong)(tong)的研發、設(she)(she)計、安裝、維(wei)護；增值電(dian)(dian)(dian)信業(ye)務(wu)(wu)；承(cheng)裝、承(cheng)修、承(cheng)試電(dian)(dian)(dian)力設(she)(she)施(shi)；通信基站(zhan)設(she)(she)施(shi)維(wei)護；通信工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)（以上不含(han)無線電(dian)(dian)(dian)發射設(she)(she)備(bei)及衛星電(dian)(dian)(dian)視廣播地(di)面接收設(she)(she)施(shi)）、鋼結構工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)、電(dian)(dian)(dian)子(zi)與(yu)(yu)智能(neng)(neng)化(hua)(hua)工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)、電(dian)(dian)(dian)力工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)、建(jian)(jian)筑(zhu)工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)、建(jian)(jian)筑(zhu)裝修裝飾工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)、市(shi)政工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)、機(ji)電(dian)(dian)(dian)工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)、防(fang)(fang)水防(fang)(fang)腐保溫工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)、管(guan)道(dao)工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)、網絡工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)、交通設(she)(she)施(shi)工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)、安防(fang)(fang)工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)、園林景觀工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)、環保工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)的施(shi)工(gong)(gong)(gong)(gong)(gong)；建(jian)(jian)筑(zhu)工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)勞務(wu)(wu)作(zuo)業(ye)分(fen)包；信息系(xi)(xi)(xi)統(tong)(tong)(tong)集(ji)成服(fu)務(wu)(wu)；互聯網數據服(fu)務(wu)(wu)；LED電(dian)(dian)(dian)子(zi)顯示屏制作(zuo)及安裝；網站(zhan)建(jian)(jian)設(she)(she)與(yu)(yu)維(wei)護；銷(xiao)售(shou)：手機(ji)及配件、辦公用品(pin)、計算機(ji)軟(ruan)硬件、電(dian)(dian)(dian)力設(she)(she)備(bei)、五金(jin)產品(pin)；住房租(zu)賃(lin)；廣告設(she)(she)計、制作(zuo)、代理(li)、發布；汽(qi)車租(zu)賃(lin)（不含(han)金(jin)融(rong)(rong)租(zu)賃(lin)、融(rong)(rong)資租(zu)賃(lin)）。（依法(fa)須經(jing)批準的項目，經(jing)相關部門批準后方可開展經(jing)營活動）