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

        HiLong Petroleum Product Technology Services (Shanghai) Co.,Ltd.

        Located in Baoshan Industrial Park, Shanghai, Hilong Petroleum Products Technical Service (Shanghai) Co., Ltd. is a wholly-owned subsidiary of Hilong Petroleum Industry Group. It is adjacent to Baosteel and close to Wusong and Luojing ports, with convenient water and land transport.
        The protective coatings for oil specialised pipes (OCTG) independently developed by the product service company are at the leading level in the world and have a large share in the domestic and even global market.
        The company has its own R&D centre and R&D team, and cooperates closely with domestic famous universities to carry out research on OCTG coatings. It has built a coating R&D and testing centre with a full set of modern optical and electrical testing and analysis instruments and test equipment.
        The company adheres to the concept of taking science and technology as the forerunner and using technology to promote sales, and makes every effort to meet the needs of oilfield enterprises for the performance improvement of coating products. The company has been awarded as Shanghai High-tech Enterprise, Baoshan District Small Giant Enterprise, Shanghai Speciality and Special New Enterprise, Shanghai Small Giant Cultivation Enterprise.
        The company focuses on enterprise management and has successfully passed the ISO9001, ISO14001 and ISO18001 certification.
        Together with other members of Hilong Group, the company endeavours to become a global leading oilfield service provider.

        contact detailsAdd: No.1825,Luodong Road,Baoshan Industrial Zone,Shanghai 200949,China
        Tel:021-56928126   13816356926
        E-mail:jiangcan@hilonggroup.com

        欧美精品一区二区三区在线不卡| 无码人妻一区二区三区免费n鬼沢| 成人影片一区免费观看| 熟妇人妻中文字幕无码老熟妇| 欧美亚洲日本久久久久久| 天天爱天天做天天爽| 在线国产观看| 亚洲欧洲∨国产一区二区三区| 国产在线一区二区三区av| 制服 丝袜 亚洲 中文 综合| 国产欧美日韩精品丝袜高跟鞋| 亚洲情综合五月天| 国产精品无码区| 精品久久久久久国产| 久久人人爽人人人人爽av| 精品久久香蕉国产线看观看亚洲| 69久久夜色精品国产69| 欧美mv日韩mv国产网站| 亚洲一线二线三线品牌精华液久久久| 亚洲成A∨人片在线观看不卡| 国产精品毛片无码| 日本一卡2卡3卡4卡无卡免费| 亚洲一区二区精品推荐| 搡老熟女中国老太| 亚洲AV无码无在线观看红杏| 娇妻被生人粗大猛烈进出高潮| 中文字幕精品一二三四五六七八| 亚洲色无码专区在线观看精品| 99精品人妻无码专区在线视频区| 欧美日韓性视頻在線| 国产精品18久久久久久麻辣| 久久精品欧美日韩精品| 欧美交换配乱吟粗大25p| 国产精品成人无码视频| 中文字幕无码无码专区| 精品香蕉99久久久久成人网站| 国产内射爽爽大片视频社区在线| 爱情岛国产亚洲AV无码入口| 亚洲欧洲美洲无码精品va| 少妇无码一区二区三区| 色五月激情五月|