4399免费视频

新(xin)(xin)能(neng)(neng)(neng)(neng)源科技(ji)領(ling)域內技(ji)術(shu)研發、技(ji)術(shu)轉讓、技(ji)術(shu)服(fu)務(wu)；太陽能(neng)(neng)(neng)(neng)、風能(neng)(neng)(neng)(neng)、潮汐能(neng)(neng)(neng)(neng)、地熱(re)能(neng)(neng)(neng)(neng)產品(pin)的(de)(de)(de)研發、銷(xiao)售、安(an)(an)裝(zhuang)；淺層地熱(re)能(neng)(neng)(neng)(neng)建(jian)筑應用技(ji)術(shu)研發與應用；可再(zai)生能(neng)(neng)(neng)(neng)源利用方案的(de)(de)(de)設(she)計、實施(shi)；暖(nuan)通空(kong)調(diao)系統的(de)(de)(de)節能(neng)(neng)(neng)(neng)診斷、托管運營服(fu)務(wu)；合同能(neng)(neng)(neng)(neng)源管理；中(zhong)央空(kong)調(diao)系統承包；暖(nuan)通空(kong)調(diao)產品(pin)的(de)(de)(de)銷(xiao)售安(an)(an)裝(zhuang)；新(xin)(xin)型節能(neng)(neng)(neng)(neng)供(gong)水(shui)設(she)備銷(xiao)售安(an)(an)裝(zhuang)；鉆(zhan)井施(shi)工(gong)(gong)(gong)(gong)；PE管材、鉆(zhan)機及(ji)配(pei)件、空(kong)壓機及(ji)配(pei)件、自(zi)動(dong)控制設(she)備的(de)(de)(de)銷(xiao)售；新(xin)(xin)能(neng)(neng)(neng)(neng)源、鉆(zhan)井電子商務(wu)平臺的(de)(de)(de)建(jian)設(she)；樁基工(gong)(gong)(gong)(gong)程(cheng)(cheng)、地質鉆(zhan)探工(gong)(gong)(gong)(gong)程(cheng)(cheng)、消防工(gong)(gong)(gong)(gong)程(cheng)(cheng)、機電設(she)備安(an)(an)裝(zhuang)工(gong)(gong)(gong)(gong)程(cheng)(cheng)、監控工(gong)(gong)(gong)(gong)程(cheng)(cheng)施(shi)工(gong)(gong)(gong)(gong)。（依(yi)法須(xu)經批準(zhun)的(de)(de)(de)項目(mu)，經相關部門批準(zhun)后方可開展經營活動(dong)）**