2021久久国自产拍精品,欧美性猛交XXXX黑人猛交,99在线精品一区二区三区,国产成人A亚洲精V品无码,国产精品国产三级国产专区50,韩国三级在线观看久,男人女人做黄刺激性视频,亚洲AV综合A国产AV中文,日本一卡2卡三卡4卡免费网站,亚洲国产精品国自产拍AV

  • <fieldset id="6co0c"><table id="6co0c"></table></fieldset>
    <fieldset id="6co0c"></fieldset>
    <fieldset id="6co0c"><table id="6co0c"></table></fieldset>
  • <abbr id="6co0c"></abbr>
    <fieldset id="6co0c"><menu id="6co0c"></menu></fieldset>
      <fieldset id="6co0c"></fieldset>
      <ul id="6co0c"><tfoot id="6co0c"></tfoot></ul>
    • <ul id="6co0c"></ul>
    • <cite id="6co0c"></cite>
      <tfoot id="6co0c"><input id="6co0c"></input></tfoot>
      <cite id="6co0c"></cite>
      • About HILONG

        HomeAbout HilongHilong Industry

        GO Back

        Shanxi Tube-Cote Pipe Coating Co., Ltd.

        Shanxi Hilong Petroleum Technology Co., Ltd. is a subsidiary of the Hilong Group that specializes in providing high-level corrosion prevention products and services for oil and gas pipelines, as well as infrastructure. Established in 2008 with a registered capital of 50 million RMB, the company is located in Tangrong Industrial Park, Houma City, Shanxi Province, which enables it to enjoy a geographically strategic position and convenient transportation.
        The company's core product portfolio encompasses corrosion prevention for various components, including oil pipes, casings, drill rods, drill bits, gathering pipelines, heat exchangers, custom-shaped components, and storage tanks. The company also offers comprehensive construction and related services.
        The company has obtained ISO quality management system certification, as well as certification for its environmental management system and occupational health and safety management system. Additionally, it has acquired qualifications for waterproofing, corrosion protection, and insulation, as well as a safety production license. The company holds multiple national invention patents and has been recognized in Shanxi Province as a "High-tech Enterprise," "Specialized, Refinement, Differential, Innovation Enterprise," and "Technology Center".
        Committed to aiding in corrosion prevention for oil and gas pipelines and associated facilities, the company focuses on serving the development and construction of oil fields. The company emphasizes research and development, innovation, and the enhancement of core competitiveness in order to fulfill customer requirements to the greatest degree possible. Renowned for its high standards, advanced technology, and superior quality, it has earned trust and commendation from major domestic and international drilling and equipment companies, including CNPC, Sinopec, and Yanchang Oilfield.

        contact detailsAdd:No. 168 Fenglei Street, Houma City, Shanxi Province
        p.c:043000 Tel:0357-4092169, 16636728168
        E-mail: SXHILONG@163.com

        91做 在线观看免费| 激情综合色五月丁香六月欧美| 国产91专区| 97在线视频网站| 青青国产在线播放| 久久精品综合视频| 九九热视频免费在线观看| 亚洲欧美精品中文字幕| 97人伦影院A级毛片| 久久av无码精品人妻系列| 天天碰免费上传视频| 亚洲av午夜成人片精品网站| 国产成人av电影在线观看第一页| 国产无套内射普通话对白| 一出一进一爽一粗一大视频| 国产精品久久久久7777| 国产又色又爽又黄的在线观看| 最好看的2018中文2019| 亚洲中文字幕伊人久久无码| 亚洲中文字幕伊人久久无码| 精品人妻无码专区在线无广告视频| 日本少妇高潮喷水XXXXXXX| 中国女人高潮hd| 麻豆传播媒体app大全免费版| 亚洲 另类 日韩 制服 无码| 久久久久亚洲av片无码| 色妞ww精品视频7777| 日韩av高清在线观看| 亚洲丰满熟女一区二区哦| 国产精品免费视频网站| 亚洲av中文无码乱人伦在线咪咕| 国产日韩精品suv| 国产成人精品a视频一区| 国模无码视频一区| 久久久久高潮毛片免费全部播放| 一本之道高清无码视频| 亚洲成a人片在线观看无码| 精品国产三级在线观看| 天堂…中文在线最新版在线| 亚洲av美女一区二区三区| 成人免费视频69|