4399免费视频

一般項目：配電(dian)開(kai)關(guan)控(kong)制(zhi)(zhi)設備(bei)(bei)制(zhi)(zhi)造(zao)(zao)；機(ji)械(xie)電(dian)氣設備(bei)(bei)制(zhi)(zhi)造(zao)(zao)；礦山機(ji)械(xie)制(zhi)(zhi)造(zao)(zao)；電(dian)工(gong)儀(yi)器儀(yi)表制(zhi)(zhi)造(zao)(zao)；電(dian)線、電(dian)纜經(jing)營；機(ji)械(xie)零件(jian)、零部件(jian)加工(gong)；石(shi)油鉆采專(zhuan)(zhuan)用(yong)設備(bei)(bei)制(zhi)(zhi)造(zao)(zao)；地(di)質勘查(cha)專(zhuan)(zhuan)用(yong)設備(bei)(bei)制(zhi)(zhi)造(zao)(zao)；環境保護專(zhuan)(zhuan)用(yong)設備(bei)(bei)制(zhi)(zhi)造(zao)(zao)；建筑(zhu)工(gong)程用(yong)機(ji)械(xie)制(zhi)(zhi)造(zao)(zao)；隧(sui)道施工(gong)專(zhuan)(zhuan)用(yong)機(ji)械(xie)制(zhi)(zhi)造(zao)(zao)；五(wu)金產品批發(fa)；液壓(ya)動力機(ji)械(xie)及元件(jian)制(zhi)(zhi)造(zao)(zao)（除依(yi)法須經(jing)批準的項目外(wai)，憑營業執照依(yi)法自(zi)主開(kai)展經(jing)營活動）