4399视频

技(ji)術(shu)(shu)服(fu)務、技(ji)術(shu)(shu)開發(fa)(fa)、技(ji)術(shu)(shu)咨(zi)詢、技(ji)術(shu)(shu)交流(liu)、技(ji)術(shu)(shu)轉讓(rang)、技(ji)術(shu)(shu)推廣；市(shi)場營銷(xiao)(xiao)(xiao)(xiao)策劃；計(ji)算(suan)機(ji)(ji)軟(ruan)硬件(jian)及(ji)輔(fu)助設備(bei)(bei)零售(shou)(shou)(shou)；計(ji)算(suan)機(ji)(ji)系(xi)(xi)統(tong)服(fu)務；軟(ruan)件(jian)銷(xiao)(xiao)(xiao)(xiao)售(shou)(shou)(shou)；信(xin)息(xi)(xi)安全設備(bei)(bei)銷(xiao)(xiao)(xiao)(xiao)售(shou)(shou)(shou)；互聯網(wang)設備(bei)(bei)銷(xiao)(xiao)(xiao)(xiao)售(shou)(shou)(shou)；數字視頻(pin)監控系(xi)(xi)統(tong)銷(xiao)(xiao)(xiao)(xiao)售(shou)(shou)(shou)；通訊設備(bei)(bei)銷(xiao)(xiao)(xiao)(xiao)售(shou)(shou)(shou)；計(ji)算(suan)機(ji)(ji)軟(ruan)硬件(jian)及(ji)輔(fu)助設備(bei)(bei)批發(fa)(fa)；電(dian)子(zi)產品銷(xiao)(xiao)(xiao)(xiao)售(shou)(shou)(shou)；辦(ban)公(gong)設備(bei)(bei)耗(hao)材銷(xiao)(xiao)(xiao)(xiao)售(shou)(shou)(shou)；信(xin)息(xi)(xi)系(xi)(xi)統(tong)集成服(fu)務；會(hui)議及(ji)展覽服(fu)務；軟(ruan)件(jian)開發(fa)(fa)；信(xin)息(xi)(xi)技(ji)術(shu)(shu)咨(zi)詢服(fu)務；信(xin)息(xi)(xi)系(xi)(xi)統(tong)運行維(wei)護服(fu)務；電(dian)子(zi)元(yuan)器件(jian)零售(shou)(shou)(shou)；辦(ban)公(gong)用品銷(xiao)(xiao)(xiao)(xiao)售(shou)(shou)(shou)；文具用品批發(fa)(fa)；日(ri)用百貨(huo)銷(xiao)(xiao)(xiao)(xiao)售(shou)(shou)(shou)；銷(xiao)(xiao)(xiao)(xiao)售(shou)(shou)(shou)代理；互聯網(wang)銷(xiao)(xiao)(xiao)(xiao)售(shou)(shou)(shou)（除銷(xiao)(xiao)(xiao)(xiao)售(shou)(shou)(shou)需要許可的(de)商品）；第一類增值電(dian)信(xin)業(ye)務；第二類增值電(dian)信(xin)業(ye)務；數字內容服(fu)務；計(ji)算(suan)機(ji)(ji)信(xin)息(xi)(xi)系(xi)(xi)統(tong)安全專用產品銷(xiao)(xiao)(xiao)(xiao)售(shou)(shou)(shou)