4399免费视频

一般項目：電(dian)(dian)子(zi)專(zhuan)(zhuan)用材料研發(fa)；電(dian)(dian)子(zi)專(zhuan)(zhuan)用設(she)(she)備(bei)(bei)(bei)(bei)銷(xiao)售(shou)(shou)(shou)；五金(jin)產品批發(fa)；計(ji)算(suan)機(ji)(ji)系統服務(wu)；電(dian)(dian)子(zi)元(yuan)(yuan)器(qi)(qi)件(jian)(jian)零(ling)售(shou)(shou)(shou)；信息(xi)技(ji)術(shu)咨詢(xun)服務(wu)；通訊(xun)設(she)(she)備(bei)(bei)(bei)(bei)銷(xiao)售(shou)(shou)(shou)；電(dian)(dian)子(zi)元(yuan)(yuan)器(qi)(qi)件(jian)(jian)與機(ji)(ji)電(dian)(dian)組件(jian)(jian)設(she)(she)備(bei)(bei)(bei)(bei)銷(xiao)售(shou)(shou)(shou)；科技(ji)中介服務(wu)；家(jia)用電(dian)(dian)器(qi)(qi)銷(xiao)售(shou)(shou)(shou)；電(dian)(dian)子(zi)元(yuan)(yuan)器(qi)(qi)件(jian)(jian)與機(ji)(ji)電(dian)(dian)組件(jian)(jian)設(she)(she)備(bei)(bei)(bei)(bei)制(zhi)造(zao)；技(ji)術(shu)服務(wu)、技(ji)術(shu)開(kai)發(fa)、技(ji)術(shu)咨詢(xun)、技(ji)術(shu)交(jiao)流、技(ji)術(shu)轉讓、技(ji)術(shu)推廣；電(dian)(dian)子(zi)產品銷(xiao)售(shou)(shou)(shou)；勞務(wu)服務(wu)（不含(han)勞務(wu)派遣）；計(ji)算(suan)機(ji)(ji)軟硬件(jian)(jian)及(ji)(ji)輔助設(she)(she)備(bei)(bei)(bei)(bei)批發(fa)；計(ji)算(suan)機(ji)(ji)軟硬件(jian)(jian)及(ji)(ji)輔助設(she)(she)備(bei)(bei)(bei)(bei)零(ling)售(shou)(shou)(shou)；計(ji)算(suan)機(ji)(ji)及(ji)(ji)辦公設(she)(she)備(bei)(bei)(bei)(bei)維修；電(dian)(dian)子(zi)元(yuan)(yuan)器(qi)(qi)件(jian)(jian)批發(fa)；計(ji)算(suan)機(ji)(ji)軟硬件(jian)(jian)及(ji)(ji)外圍設(she)(she)備(bei)(bei)(bei)(bei)制(zhi)造(zao)；安全系統監控服務(wu)；電(dian)(dian)子(zi)專(zhuan)(zhuan)用設(she)(she)備(bei)(bei)(bei)(bei)制(zhi)造(zao)；電(dian)(dian)子(zi)元(yuan)(yuan)器(qi)(qi)件(jian)(jian)制(zhi)