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

        精品国产一二三产品价格| 欧洲久久久久久免费免费| 色欲人妻综合aaaaaaaa网| 国产丝袜美女| а√天堂资源在线| 337p日本欧洲亚洲大胆色噜噜| 日韩精品无码专区免费播放| 亚洲AV无码无线在线观看| 成人无码免费一区二区三区| 欧美精品高清一区二区灬| 桃色成人精品网站| 中文字幕久久熟女蜜桃| 亚洲av日韩精品久久久久久| japanese国产在线看| 小嫩模无套内谢第一次| 18禁肉肉无遮挡无码网站| 亚洲黄无码一区二区三区| 亚洲无码精品一区二区| 国语对白做受XXXXX在线| 99久无码中文字幕一本久道| 人妻放荡乱绿帽h文| 国产交换精品一区二区| 亚洲国产高清在线精品一区| 波多野一区二区| 国产精品无码无需播放器| 国产乱人伦AV在线| 丶免费一区二区三区AV| 人妻夜夜爽天天爽爽一区| 无码aⅴ精品一区二区三区| 国内揄拍国内精品少妇国语| 免费观看一区二区三区| 少妇被又大又粗猛烈进出视频| 亚洲s色大片在线观看| 亚洲国产精品久久久久爰色欲| 乱人伦人妻精品一区二区| 国产熟女乱子视频正在播放| 免费观看a级毛片视频| 国内精品伊人久久久久网站| 欧美13一14娇小性| 日韩精品无码AV中文无码版| 日本亚洲色大成网站WWW久久|