4399视频

建筑工(gong)(gong)程(cheng)(cheng)、保溫(wen)防(fang)腐工(gong)(gong)程(cheng)(cheng)、消(xiao)防(fang)工(gong)(gong)程(cheng)(cheng)、路橋工(gong)(gong)程(cheng)(cheng)、市政綠化工(gong)(gong)程(cheng)(cheng)施工(gong)(gong)；建筑勞務分(fen)包(bao)；管道安(an)裝(zhuang)、球罐安(an)裝(zhuang)及維修；鋼結構制作及安(an)裝(zhuang)（不含鑄造(zao)冶煉(lian)）；室內外裝(zhuang)飾設計及工(gong)(gong)程(cheng)(cheng)施工(gong)(gong)；銷售：五金建材(cai)(cai)、塑料制品、皮革制品、水(shui)電暖配件、建筑材(cai)(cai)料、墻體(ti)材(cai)(cai)料、裝(zhuang)飾裝(zhuang)潢材(cai)(cai)料（不含油漆(qi)）。