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

        国产精品美女久久久久久| 国产精品久免费的黄网站| 青春草在线视频免费观看| 国语自产拍无码精品视频在线| 日韩精品无码免费专区网站| 色综合久久88色综合天天| 成人欧美日韩一区二区三区| 久久成人精品免费播放| 国内美女精品久久久久| 国产精东天美av影业传媒| 国产大片内射1区2区| 美女粉嫩饱满的一线天mp4| 国产婷婷成人久久av免费高清| 欧洲美熟女乱又伦| 欧美午夜理伦三级在线观看| 7777精品久久久大香线蕉| 久久久久国色αv免费关看| 96精品免费视频在线观看 | 国产精品v片在线观看不卡| 丰满饥渴老女人HD| 99在线 | 亚洲| 天干夜天天夜天干天2004年| 亚洲一区精品无码| 亚洲av中文无码乱人伦在线咪咕| 无码成a毛片免费| 国产成人综合亚洲av第一页| 又污又黄又无遮挡的网站| 影音先锋色小姐| 免费 成 人 黄 色 网站69| 18禁裸乳无遮挡啪啪无码免费| 精品国产粉嫩内射白浆内射双马尾| 好大好湿好硬顶到了好爽视频| 亚洲日韩色欲AV无码精品| 国产区第一页| 国产精品V亚洲精品V日韩精品| 国产精品久久久久久搜索| 亚洲日韩精品A∨在线观看| 成人午夜A级毛片免费| 亚洲中文在线播放一区| 国产在线精品一区二区| 无码免费在线视频|