計(jì)算機(jī)信息咨詢(xún)；計(jì)算機(jī)網(wǎng)絡(luò)工程；計(jì)算機(jī)軟硬件開(kāi)發(fā)；手機(jī)軟硬件開(kāi)發(fā)；計(jì)算機(jī)軟硬件及耗材、手機(jī)軟硬件、辦公自動(dòng)化設(shè)備、電子設(shè)備、安全技術(shù)防范產(chǎn)品、電器設(shè)備的銷(xiāo)售；企業(yè)營(yíng)銷(xiāo)策劃；會(huì)務(wù)會(huì)展服務(wù)。（依法須經(jīng)批準(zhǔn)的項(xiàng)目，經(jīng)相關(guān)部門(mén)批準(zhǔn)后方可開(kāi)展經(jīng)營(yíng)活動(dòng)）* [詳細(xì)介紹]