4399免费视频

智(zhi)能(neng)(neng)科(ke)技(ji)、計算(suan)機軟件、新能(neng)(neng)源領(ling)域內的技(ji)術(shu)開發技(ji)術(shu)轉(zhuan)讓、技(ji)術(shu)咨詢服(fu)務(wu)；合同(tong)能(neng)(neng)源管理；電(dian)子智(zhi)能(neng)(neng)化(hua)工(gong)(gong)(gong)程(cheng)、機電(dian)設(she)備安裝(zhuang)(zhuang)工(gong)(gong)(gong)程(cheng)、市政工(gong)(gong)(gong)程(cheng)、照明(ming)工(gong)(gong)(gong)程(cheng)、建筑裝(zhuang)(zhuang)飾裝(zhuang)(zhuang)修工(gong)(gong)(gong)程(cheng)、空氣凈化(hua)工(gong)(gong)(gong)程(cheng)、園(yuan)林綠化(hua)工(gong)(gong)(gong)程(cheng)、通(tong)信工(gong)(gong)(gong)程(cheng)施工(gong)(gong)(gong)、安防(fang)工(gong)(gong)(gong)程(cheng)：供暖服(fu)務(wu)；光伏發電(dian)技(ji)術(shu)咨詢及(ji)技(ji)術(shu)服(fu)務(wu)；制冷設(she)備租賃(lin)、安裝(zhuang)(zhuang)：智(zhi)能(neng)(neng)家居技(ji)術(shu)開發；計算(suan)機系統集成；銷售(shou)計算(suan)機、電(dian)子產品辦公用(yong)品及(ji)耗材；智(zhi)能(neng)(neng)卡(ka)技(ji)術(shu)開發及(ji)銷售(shou)；通(tong)風設(she)備、智(zhi)能(neng)(neng)溫(wen)室(shi)大棚、實(shi)驗(yan)室(shi)設(she)備銷售(shou)、安裝(zhuang)(zhuang)；工(gong)(gong)(gong)程(cheng)項(xiang)目(mu)管理服(fu)務(wu)。(依(yi)法須經批(pi)準的項(xiang)目(mu)，經相關部門批(pi)準后方可開展經營活動)