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計(ji)(ji)算機軟硬(ying)件(jian)研發及技(ji)術(shu)(shu)服(fu)務；系(xi)統集成；計(ji)(ji)算機信(xin)息(xi)(xi)技(ji)術(shu)(shu)咨(zi)詢、技(ji)術(shu)(shu)服(fu)務；信(xin)息(xi)(xi)安全服(fu)務(不含互聯網信(xin)息(xi)(xi)服(fu)務）；智(zhi)(zhi)能化管(guan)理系(xi)統開(kai)發；公共安全技(ji)術(shu)(shu)防范系(xi)統設(she)(she)計(ji)(ji)、安裝(zhuang)、維護；銷售(shou)：計(ji)(ji)算機軟硬(ying)件(jian)及配(pei)件(jian)、電子產品、辦公用(yong)品；建筑(zhu)智(zhi)(zhi)能化工(gong)(gong)程設(she)(she)計(ji)(ji)與施(shi)(shi)工(gong)(gong)；防雷(lei)工(gong)(gong)程設(she)(she)計(ji)(ji)與施(shi)(shi)工(gong)(gong)；通信(xin)工(gong)(gong)程設(she)(she)計(ji)(ji)與施(shi)(shi)工(gong)(gong)；建筑(zhu)裝(zhuang)飾裝(zhuang)修工(gong)(gong)程設(she)(she)計(ji)(ji)、施(shi)(shi)工(gong)(gong)；消(xiao)防設(she)(she)施(shi)(shi)工(gong)(gong)程設(she)(she)計(ji)(ji)與施(shi)(shi)工(gong)(gong)；電子與智(zhi)(zhi)能化工(gong)(gong)程設(she)(she)計(ji)(ji)與施(shi)(shi)工(gong)(gong)；水利水電開(kai)發。（依法須經批準的項(xiang)目，經相關部門批準后方可(ke)展開(kai)經營活動）。