4399免费视频

經營(ying)范圍包含：電(dian)(dian)(dian)力變配(pei)電(dian)(dian)(dian)開關設備(bei)、電(dian)(dian)(dian)力熱控自動化設備(bei)研發、制(zhi)造、安(an)裝，高(gao)低(di)壓(ya)(ya)變頻(pin)裝置組裝、制(zhi)造、安(an)裝，高(gao)低(di)壓(ya)(ya)變頻(pin)節能系統工(gong)(gong)程設計(ji)、安(an)裝、調試(shi)（依據(ju)電(dian)(dian)(dian)力部門核(he)發《電(dian)(dian)(dian)力設施(shi)(shi)承裝修許可證(zheng)》開展經營(ying)活動），環(huan)保設備(bei)、鍋爐配(pei)件、管道閥門、高(gao)低(di)壓(ya)(ya)配(pei)電(dian)(dian)(dian)柜、金屬(shu)材(cai)料(liao)的銷(xiao)售，網絡(luo)工(gong)(gong)程（不含互聯(lian)網上網服(fu)務(wu)及(ji)電(dian)(dian)(dian)信增值(zhi)服(fu)務(wu)），電(dian)(dian)(dian)子設備(bei)的安(an)裝、維(wei)修、調試(shi)及(ji)技(ji)術(shu)咨詢服(fu)務(wu)，綜(zong)合布線，室內外(wai)裝飾裝潢工(gong)(gong)程，景觀綠化工(gong)(gong)程，水電(dian)(dian)(dian)暖安(an)裝工(gong)(gong)程，照(zhao)明工(gong)(gong)程設計(ji)與施(shi)(shi)工(gong)(gong)，外(wai)墻(qiang)防腐(fu)保溫工(gong)(gong)程，銷(xiao)售：礦產品（不含專控）、粉煤灰、建筑材(cai)料(liao)。（依法需經批(pi)準(zhun)的項目，經相關部門批(pi)準(zhun)后方可開展經營(ying)活動）。