4399免费视频

新(xin)材(cai)料(liao)技術推廣服務；建筑材(cai)料(liao)、裝(zhuang)飾材(cai)料(liao)、五金、電器(qi)、儀器(qi)儀表、衛生潔具、勞保(bao)(bao)用品、防(fang)(fang)腐(fu)保(bao)(bao)溫材(cai)料(liao)銷售(shou)；建筑工(gong)(gong)程(cheng)(cheng)；裝(zhuang)飾裝(zhuang)修工(gong)(gong)程(cheng)(cheng)；鋼結構工(gong)(gong)程(cheng)(cheng)；亮化工(gong)(gong)程(cheng)(cheng)；安防(fang)(fang)工(gong)(gong)程(cheng)(cheng)；防(fang)(fang)水(shui)降水(shui)工(gong)(gong)程(cheng)(cheng)；防(fang)(fang)腐(fu)保(bao)(bao)溫工(gong)(gong)程(cheng)(cheng)；園(yuan)林綠(lv)化工(gong)(gong)程(cheng)(cheng)；市政工(gong)(gong)程(cheng)(cheng)；管道工(gong)(gong)程(cheng)(cheng)（不含壓力管道）；裝(zhuang)飾設計；保(bao)(bao)潔服務；承辦展覽展示服務；會務服務；建筑工(gong)(gong)程(cheng)(cheng)勞務分(fen)包；職業(ye)中介(jie)活動。（依法須經批準的(de)項目，經相關部門批準后方可開(kai)展經營(ying)活動）