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

        Shanghai Tube-Cote Petroleum Pipe Coating Co., Ltd

        Shanghai Tube-Cote Petroleum Coating Co., Ltd. is one of the main pillar industry of Hilong Group, providing OCTG internal coating and technical services. The company was set up in 2002, location at Yuepu Industrial Zone, Baoshan District, Shanghai, where enjoying great geographical advantages of land and water transportation.The business mainly covers OCTG internal coating,tubing,casing,line pipe; sleeve, tee , elbow and special-shaped work-piece internal coating.Mainly service for the Oil companies,Oilfield services companies,Petroleum pipe manufacturers,Agents domestic, etc.
        Guided by the technological innovation as our core development strategy,relying on the Petrochemical New Materials Research Institute,which has a high-level coating research and development, at the same time, get the most out of geographical advantages to carry out cooperation in production, training and research with local universities,made great achievements,be honored as the “Shanghai high-tech enterprises” for consecutive years.
        TC series internal coating using the independent developed spraying process and equipment, focusing on provide customers the OCTG internal coating products with high performance and quality, effectively improve the anti-corrosion resistance,improve flow rate,reduce paraffin and scale,improve the service life of pipe.Provide customer more accurately differentiated solutions on internal coating, enhance more economic performance for customer.
        Our Hardbanding production line could weld BoTn series welding wire which independently developed by Hilong, and various other mainstream brands welding wire.Technical supporting on selecting the exactly type of welding wire and technical parameters matching the Primary Service ,to satisfy your needs.

        contact detailsAdd:No. 669, Jinle Road, Yuepu Industrial Park, Baoshan District, Shanghai
        p.c:200941 Tel: 021-66932885
        E-mail: zhenghonggang@hilonggroup.com

        久久亚洲av永久无码精品| 免费播放片ⅴ免费人成视频| 日韩欧美在线综合网高清| 免费网站日本永久免费观看| 久久午夜视频| 亚洲国产精品二区久久| 亚洲欧美日韩v中文在线| 国产免费一级AV| 97av视频| 国产在视频线精品视频| 国产日本在线观看| 波多野结衣AV高清一区二区三区 | 无码丰满熟妇| 亚洲av无码一区二区三区人 | 久久婷婷五月综合色欧美| 日本a级视频在线播放| 全黄性性激高免费视频 | 国产精品永久免费视频| 亚洲国产成人久久综合| 99精品国产99久久久久久97| 日本一区二区在线播放| 亚洲欧美日韩在线不卡| 国产美女裸体无遮挡免费视频| 日本中文字幕免费| 久久无码一区二区三区少妇| 狠狠躁夜夜躁人人爽天天不卡软件| 51国产偷自视频区视频免费的| 亚洲AV片不卡无码久久蜜芽| 久久精品久久电影免费理论片| 国产内射爽爽大片| 无码国内精品久久人妻蜜桃| 日韩人妻无码一区二区三区久久99| 婷婷五月综合色视频| 久久久久亚洲av无码专区喷水| 亚洲爆乳精品无码一区二区三区 | 久久久一本精品99久久精品66| 东北少妇不戴套对白第一次| 日韩a无吗一区二区三区| 少妇精品无码一区二区免费| 51国产偷自视频区视频真实| 中文毛片无遮挡高清免费|