国产午夜精品在线观看,日韩国产在线B,白白操白白,97香蕉色综合

Join Titan

You are here:Home>Join Titan>Business Qualification

Business Qualification

    Grade A certificate of Chemical Petrochemical Pharmaceutical Architecture Light& Textile (food and tobacco) Engineering and EPC issued by Construction Bureau

    Grade B certificate of Utilities Provisions Commercial Light & Textile Engineering issued by Construction Bureau

    Grade A and Grade B certificate of Engineering Consolation issued by National Development and Reforming Committee

    Grade B Certificate of Project Environmental influence assessment issued by National Environment Protection Bureau

    Environment Pollution Protection Project (waste water waste gas). Grade A1. A2 A3 Certificate of Pressure Vessels and Grade GA GB GC GD certificate of pressure piping design issued by national Quality &Technique Administration Bureau

    Grade A Certificate of Engineering Supervision for Chemical Petrochemical & Buildings.Issued by construction bureau

    Grade B Certificate of Engineering Supervision for Machines Installation issued by Provincial Construction Bureau

    Cleaning production audit certificate

    Agent Construction of project


人人干人人摸人人射| 中文字幕日韩欧美2018| 字幕无码在线| 粉嫩人妻91在线| 亚洲一区,二区电影网| 国产精品久久久高清无码| 大鸡八操骚逼| 婷婷一区二区三区四区五区六区_| 干我欧美一区| 国内97干免费看| 天天碰天天干中文字幕区| 婷婷精品日韩| 你懂的国产精品永久在线| 福利视频,欧美| 熟女少妇口爆吞精| 天天操三级| 在线午夜福利人妻| 亚欧自拍偷拍一区二区| 黄片二级网站| 亚洲视频一二线| 日韩在线伦理一区二区| 九九午夜黄色大片| 黄色美女成人视频| 波多野42部无码喷潮在线观| 国产精品一二三区在线| 久久香港日本三级电影| 夜精品A一区二区三区| 国产男女激情操逼www| 欧美老熟妇七十路| 可以免费看的黄片一级A| 偷窥自拍 视频一区 日韩 人妻| 欧美 日韩 亚洲 一区 图库| 天天日天天干天天射大学生| 性国产精品,欧美一区二区三区在线| 96日本XXXXXⅩXXX视频| 日本天天日天天干| 久久视频有限公司官网| 色停停综合部| 亚洲国产成人野战视频| 高中生玩粉嫩小穴一区二区三区| 亚洲一区二区三区婷婷不卡久久 |