4399在线视频免费观看

一般項目：技(ji)術(shu)服務、技(ji)術(shu)開(kai)發(fa)、技(ji)術(shu)咨詢、技(ji)術(shu)交流、技(ji)術(shu)轉讓、技(ji)術(shu)推(tui)廣；家居(ju)用(yong)品銷(xiao)(xiao)(xiao)售(shou)(shou)；電(dian)子(zi)產品銷(xiao)(xiao)(xiao)售(shou)(shou)；移動(dong)終端設備(bei)銷(xiao)(xiao)(xiao)售(shou)(shou)；電(dian)子(zi)元器件批發(fa)；配電(dian)開(kai)關控制(zhi)設備(bei)銷(xiao)(xiao)(xiao)售(shou)(shou)；信息安全設備(bei)銷(xiao)(xiao)(xiao)售(shou)(shou)；計算機軟硬件及輔(fu)助設備(bei)零售(shou)(shou)；電(dian)子(zi)元器件零售(shou)(shou)；光電(dian)子(zi)器件銷(xiao)(xiao)(xiao)售(shou)(shou)；電(dian)子(zi)專用(yong)設備(bei)銷(xiao)(xiao)(xiao)售(shou)(shou)；電(dian)子(zi)專用(yong)材料(liao)銷(xiao)(xiao)(xiao)售(shou)(shou)；電(dian)子(zi)真空(kong)器件銷(xiao)(xiao)(xiao)售(shou)(shou)；電(dian)子(zi)測量儀器銷(xiao)(xiao)(xiao)售(shou)(shou)；電(dian)子(zi)元器件與機電(dian)組件設備(bei)銷(xiao)(xiao)(xiao)售(shou)(shou)（除依法須經批準的項目外，憑營(ying)業執照依法自主開(kai)展經營(ying)活動(dong)）