4399在线视频免费观看

建(jian)筑工(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)總(zong)承(cheng)(cheng)(cheng)包(bao)(bao)貳(er)級(ji)(ji)，鋼結構(gou)工(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)專(zhuan)(zhuan)業(ye)承(cheng)(cheng)(cheng)包(bao)(bao)貳(er)級(ji)(ji)，防(fang)水(shui)防(fang)腐保(bao)溫(wen)工(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)專(zhuan)(zhuan)業(ye)承(cheng)(cheng)(cheng)包(bao)(bao)貳(er)級(ji)(ji)，建(jian)筑裝(zhuang)修裝(zhuang)飾工(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)專(zhuan)(zhuan)業(ye)承(cheng)(cheng)(cheng)包(bao)(bao)貳(er)級(ji)(ji)，石油化(hua)工(gong)(gong)(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)總(zong)承(cheng)(cheng)(cheng)包(bao)(bao)叁級(ji)(ji)，市政工(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)總(zong)承(cheng)(cheng)(cheng)包(bao)(bao)叁級(ji)(ji)，水(shui)利水(shui)電施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)總(zong)承(cheng)(cheng)(cheng)包(bao)(bao)叁級(ji)(ji)；園(yuan)林(lin)綠(lv)化(hua)工(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)，機械設備安裝(zhuang)與租賃，土石方(fang)工(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)，土方(fang)回(hui)填，溫(wen)室大棚改造(zao)，模板腳手(shou)架工(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)，地基基礎(chu)工(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)專(zhuan)(zhuan)業(ye)承(cheng)(cheng)(cheng)包(bao)(bao)，起重(zhong)設備安裝(zhuang)工(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)專(zhuan)(zhuan)業(ye)承(cheng)(cheng)(cheng)包(bao)(bao)，機電工(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)安裝(zhuang)，環保(bao)工(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)，房屋拆除工(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)（不含爆破(po)），消防(fang)工(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)；建(jian)材銷(xiao)售；混凝(ning)土預制構(gou)件加工(gong)(gong)(gong)(gong)(gong)(gong)及銷(xiao)售。（依法須經批(pi)準的項(xiang)目，經相關部門批(pi)準后方(fang)可(ke)開展經營活(huo)動）