九九线精品视频在线观看视频

      <noframes id="jxltx"><address id="jxltx"><nobr id="jxltx"></nobr></address>
      <em id="jxltx"><strike id="jxltx"></strike></em>

            <noframes id="jxltx">

            <address id="jxltx"><nobr id="jxltx"><meter id="jxltx"></meter></nobr></address>

            The company has issued by the national Ministry of construction

            Date:2017-08-10 View() Author:admin

            The company has issued by the national Ministry of construction, building decoration engineering design special grade building decoration engineering contractor, building curtain wall engineering contractor Yiji, mechanical and electrical equipment installation engineering contractor level, housing construction general contracting, Yuan Lingu architectural engineering contracting, building curtain wall engineering design special B and steel structure engineering contractor Sanji qualification, and has obtained ISO9001 quality management system certification, ISO14001 environmental management system certification and GB/T28001-2001 occupation health and safety management system certification.


            The company has issued by the national Ministry of construction, building decoration engineering design special grade building decoration engineering contractor, building curtain wall engineering contractor Yiji, mechanical and electrical equipment installation engineering contractor level, housing construction general contracting, Yuan Lingu architectural engineering contracting, building curtain wall engineering design special B and steel structure engineering contractor Sanji qualification, and has obtained ISO9001 quality management system certification, ISO14001 environmental management system certification and GB/T28001-2001 occupation health and safety management system certification.

            Share
            九九线精品视频在线观看视频 亚洲区欧美区综合区自拍区,亚洲图欧洲图自拍另类高清,自拍偷自拍亚洲精品第1页| 精品视频在线观自拍自拍,国内精品免费视频自在线拍,自拍偷自拍亚洲精品第1页| 97久久超碰国产精品…,国产超碰人人模人人爽人人喊,久久香蕉国产线看观看精品YW