4399视频

新型環(huan)保(bao)節能材料的技(ji)術(shu)研發(fa)、銷售、安(an)裝、調(diao)試(shi)(shi)；節能環(huan)保(bao)工(gong)(gong)(gong)程設計(ji)、施工(gong)(gong)(gong)、安(an)裝調(diao)試(shi)(shi)及(ji)技(ji)術(shu)開發(fa)、技(ji)術(shu)轉讓(rang)、技(ji)術(shu)咨(zi)詢服務；建(jian)筑安(an)裝工(gong)(gong)(gong)程施工(gong)(gong)(gong)，機(ji)電設備安(an)裝工(gong)(gong)(gong)程施工(gong)(gong)(gong)，市(shi)政工(gong)(gong)(gong)程設計(ji)及(ji)施工(gong)(gong)(gong)，園林綠化工(gong)(gong)(gong)程施工(gong)(gong)(gong)