4399免费视频

房(fang)屋建(jian)筑(zhu)(zhu)工(gong)(gong)(gong)程、園林古建(jian)筑(zhu)(zhu)工(gong)(gong)(gong)程、建(jian)筑(zhu)(zhu)裝飾裝修工(gong)(gong)(gong)程、建(jian)筑(zhu)(zhu)幕墻工(gong)(gong)(gong)程、防腐保(bao)溫工(gong)(gong)(gong)程、外(wai)墻保(bao)溫工(gong)(gong)(gong)程、市政工(gong)(gong)(gong)程、環保(bao)工(gong)(gong)(gong)程、電(dian)(dian)力工(gong)(gong)(gong)程、消防工(gong)(gong)(gong)程、鋼結構(gou)工(gong)(gong)(gong)程、機電(dian)(dian)安裝工(gong)(gong)(gong)程的(de)施工(gong)(gong)(gong)；工(gong)(gong)(gong)程總承(cheng)包服(fu)務；分工(gong)(gong)(gong)程項目綜合服(fu)務；工(gong)(gong)(gong)程施工(gong)(gong)(gong)階段項目管理服(fu)務；建(jian)筑(zhu)(zhu)勞務分包；建(jian)筑(zhu)(zhu)材料(liao)（沙子(zi)、石(shi)子(zi)、商品混凝土除外(wai)）暖通(tong)材料(liao)、五(wu)金交電(dian)(dian)、機電(dian)(dian)設備的(de)銷售。（依法須(xu)經批(pi)準的(de)項目，經相關部門批(pi)準后方可開展(zhan)經營(ying)活(huo)動）