4399免费视频

一(yi)般項目：物聯(lian)網技術(shu)服(fu)務；技術(shu)服(fu)務、技術(shu)開(kai)發、技術(shu)咨詢、技術(shu)交流、技術(shu)轉讓、技術(shu)推廣(guang)；計算機(ji)軟硬件及輔助設(she)備(bei)批發；計算機(ji)軟硬件及輔助設(she)備(bei)零(ling)售(shou)(shou)(shou)(shou)(shou)；家用(yong)電器(qi)銷(xiao)(xiao)售(shou)(shou)(shou)(shou)(shou)；電子產(chan)品銷(xiao)(xiao)售(shou)(shou)(shou)(shou)(shou)；五金(jin)產(chan)品零(ling)售(shou)(shou)(shou)(shou)(shou)；五金(jin)產(chan)品批發；電線、電纜經營；音響設(she)備(bei)銷(xiao)(xiao)售(shou)(shou)(shou)(shou)(shou)；照明器(qi)具銷(xiao)(xiao)售(shou)(shou)(shou)(shou)(shou)；幻燈及投影設(she)備(bei)銷(xiao)(xiao)售(shou)(shou)(shou)(shou)(shou)；廣(guang)播影視(shi)設(she)備(bei)銷(xiao)(xiao)售(shou)(shou)(shou)(shou)(shou)；辦公設(she)備(bei)銷(xiao)(xiao)售(shou)(shou)(shou)(shou)(shou)；智能儀(yi)(yi)器(qi)儀(yi)(yi)表銷(xiao)(xiao)售(shou)(shou)(shou)(shou)(shou)；教學專(zhuan)用(yong)儀(yi)(yi)器(qi)銷(xiao)(xiao)售(shou)(shou)(shou)(shou)(shou)；顯示器(qi)件銷(xiao)(xiao)售(shou)(shou)(shou)(shou)(shou)；信息系(xi)統集成服(fu)務；安防設(she)備(bei)銷(xiao)(xiao)售(shou)(shou)(shou)(shou)(shou)；儀(yi)(yi)器(qi)儀(yi)(yi)表銷(xiao)(xiao)售(shou)(shou)(shou)(shou)(shou)。