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山(shan)東(dong)聯(lian)友(you)公司擁有住建(jian)部(bu)頒發(fa)的，“電(dian)(dian)子通(tong)(tong)信(xin)廣電(dian)(dian)行(xing)業專業乙級資(zi)質”；山(shan)東(dong)省通(tong)(tong)信(xin)管理局頒發(fa)的“增值電(dian)(dian)信(xin)業務(wu)經(jing)營許(xu)可證書”； “通(tong)(tong)信(xin)系統集(ji)成乙級資(zi)質（滿足甲(jia)級條件）”；中國通(tong)(tong)信(xin)企業協會頒發(fa)的“安全生產(chan)合格證”。
