4399在线视频免费观看

經(jing)營(ying)(ying)(ying)范圍包含(han)：一般(ban)項目：技(ji)術(shu)(shu)(shu)(shu)服務、技(ji)術(shu)(shu)(shu)(shu)開發、技(ji)術(shu)(shu)(shu)(shu)咨詢、技(ji)術(shu)(shu)(shu)(shu)交流、技(ji)術(shu)(shu)(shu)(shu)轉(zhuan)讓、技(ji)術(shu)(shu)(shu)(shu)推廣；機械設(she)備銷售(shou)(shou)；通用零部件制(zhi)造；電子產(chan)(chan)品銷售(shou)(shou)；金屬(shu)制(zhi)品銷售(shou)(shou)；儀器(qi)儀表(biao)銷售(shou)(shou)；五金產(chan)(chan)品批發；電氣設(she)備銷售(shou)(shou)（除依(yi)法(fa)須經(jing)批準(zhun)的項目外，憑營(ying)(ying)(ying)業執(zhi)照依(yi)法(fa)自(zi)主開展經(jing)營(ying)(ying)(ying)活(huo)動(dong)）。