4399视频

高低(di)壓(ya)電(dian)(dian)(dian)(dian)(dian)器開關柜、干式變壓(ya)器、智能(neng)化電(dian)(dian)(dian)(dian)(dian)氣系統控制(zhi)設(she)備(bei)(bei)、電(dian)(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)(dian)纜、電(dian)(dian)(dian)(dian)(dian)器元器件、電(dian)(dian)(dian)(dian)(dian)氣設(she)備(bei)(bei)、消防(fang)設(she)施(shi)設(she)備(bei)(bei)、電(dian)(dian)(dian)(dian)(dian)梯(ti)整機及電(dian)(dian)(dian)(dian)(dian)梯(ti)配(pei)件、立(li)體(ti)車庫(ku)及配(pei)件、建筑(zhu)材料、環保(bao)(bao)設(she)備(bei)(bei)、防(fang)水(shui)(shui)材料、金屬材料、機械設(she)備(bei)(bei)及配(pei)件、家用(yong)(yong)電(dian)(dian)(dian)(dian)(dian)器、電(dian)(dian)(dian)(dian)(dian)子(zi)產品、五(wu)金產品、標準(zhun)件、閥門(men)管件的(de)銷(xiao)售；水(shui)(shui)、電(dian)(dian)(dian)(dian)(dian)、暖設(she)備(bei)(bei)和管道(dao)(dao)安(an)裝(zhuang)(zhuang)及維(wei)(wei)修(xiu)；房屋修(xiu)繕；門(men)窗安(an)裝(zhuang)(zhuang)；建筑(zhu)裝(zhuang)(zhuang)修(xiu)裝(zhuang)(zhuang)飾工(gong)(gong)(gong)程、建筑(zhu)智能(neng)化工(gong)(gong)(gong)程、防(fang)水(shui)(shui)防(fang)腐(fu)保(bao)(bao)溫工(gong)(gong)(gong)程、園林綠化工(gong)(gong)(gong)程、電(dian)(dian)(dian)(dian)(dian)力(li)工(gong)(gong)(gong)程、市(shi)政公用(yong)(yong)工(gong)(gong)(gong)程、水(shui)(shui)利(li)水(shui)(shui)電(dian)(dian)(dian)(dian)(dian)工(gong)(gong)(gong)程、弱電(dian)(dian)(dian)(dian)(dian)工(gong)(gong)(gong)程、環保(bao)(bao)工(gong)(gong)(gong)程、建筑(zhu)加固(gu)工(gong)(gong)(gong)程施(shi)工(gong)(gong)(gong)；建筑(zhu)物清(qing)洗服(fu)務(wu)；電(dian)(dian)(dian)(dian)(dian)機設(she)備(bei)(bei)、管道(dao)(dao)清(qing)洗服(fu)務(wu)；乘客電(dian)(dian)(dian)(dian)(dian)梯(ti)、載貨電(dian)(dian)(dian)(dian)(dian)梯(ti)、雜貨電(dian)(dian)(dian)(dian)(dian)梯(ti)、液壓(ya)電(dian)(dian)(dian)(dian)(dian)梯(ti)、自動扶梯(ti)、自動人行道(dao)(dao)的(de)安(an)裝(zhuang)(zhuang)、維(wei)(wei)修(xiu)及保(bao)(bao)養；機械設(she)備(bei)(bei)安(an)裝(zhuang)(zhuang)、維(wei)(wei)修(xiu)保(bao)(bao)養及技(ji)術咨(zi)詢(xun)、技(ji)術服(fu)務(wu)；電(dian)(dian)(dian)(dian)(dian)氣工(gong)(gong)(gong)程、消防(fang)工(gong)(gong)(gong)程施(shi)工(gong)(gong)(gong)；消防(fang)設(she)施(shi)維(wei)(wei)修(xiu)及保(bao)(bao)養；中央空調的(de)設(she)計、安(an)裝(zhuang)(zhuang)及維(wei)(wei)修(xiu)。（依(yi)法須經批(pi)準(zhun)的(de)項目(mu)，經相關部門(men)批(pi)準(zhun)后方可開展經營活動）