4399在线视频免费观看

一般項目：物聯網技(ji)術服務；技(ji)術服務、技(ji)術開發(fa)、技(ji)術咨詢、技(ji)術交流、技(ji)術轉讓、技(ji)術推廣(guang)；計算機(ji)軟硬件(jian)及輔助(zhu)設(she)(she)(she)備批發(fa)；計算機(ji)軟硬件(jian)及輔助(zhu)設(she)(she)(she)備零售(shou)(shou)(shou)(shou)；家(jia)用電器(qi)銷(xiao)售(shou)(shou)(shou)(shou)；電子產品銷(xiao)售(shou)(shou)(shou)(shou)；五金產品零售(shou)(shou)(shou)(shou)；五金產品批發(fa)；電線(xian)、電纜經營；音響設(she)(she)(she)備銷(xiao)售(shou)(shou)(shou)(shou)；照明器(qi)具銷(xiao)售(shou)(shou)(shou)(shou)；幻(huan)燈(deng)及投影設(she)(she)(she)備銷(xiao)售(shou)(shou)(shou)(shou)；廣(guang)播影視設(she)(she)(she)備銷(xiao)售(shou)(shou)(shou)(shou)；辦(ban)公設(she)(she)(she)備銷(xiao)售(shou)(shou)(shou)(shou)；智能儀(yi)(yi)器(qi)儀(yi)(yi)表銷(xiao)售(shou)(shou)(shou)(shou)；教學專用儀(yi)(yi)器(qi)銷(xiao)售(shou)(shou)(shou)(shou)；顯示器(qi)件(jian)銷(xiao)售(shou)(shou)(shou)(shou)；信息系統(tong)集成(cheng)服務；安防設(she)(she)(she)備銷(xiao)售(shou)(shou)(shou)(shou)；儀(yi)(yi)器(qi)儀(yi)(yi)表銷(xiao)售(shou)(shou)(shou)(shou)。