<pre id="oh3c6"></pre>
    <menuitem id="oh3c6"></menuitem>
    <em id="oh3c6"><ul id="oh3c6"></ul></em>

  1. <table id="oh3c6"><optgroup id="oh3c6"></optgroup></table><samp id="oh3c6"><delect id="oh3c6"></delect></samp>
  2. <pre id="oh3c6"><option id="oh3c6"></option></pre>

    天堂а√在线最新版在线,最新69国产成人精品视频免费,青青草原国产av福利网站,成人无码视频免费播放,欧美精品videosbestsex日本,韩国午夜福利片在线,成人国产精品一区二区免费看,狠狠色狠狠爱综合蜜芽五月

    About HILONG

    HomeAbout HilongHilong Industry

    GO Back

    Hilong Drill Pipe (Wuxi) Co., Ltd.

    Established in August 2005, Hilong Drill Pipe (Wuxi) Co., Ltd. is the first drill pipe and drilling tool manufacturer of Hilong Group of Companies. It specializes in production of such products as drill pipe tool joints, heavy weight drill pipe tool joints and special drill pipe tool joints.
    As a modern specialized petroleum drill pipe tool joint manufacturer, the Company boasts industry-leading equipment and technology for production, processing, inspection and so on and an advanced drill pipe tool joint production line with sound technical process, including: multi-way hydraulic forge production line, IPSEN push-rod continuous furnace heat processing production line, CNC high-efficient thread processing lathes for processing various special threads, etc. Key products of the Company include API-standard steel-grade drill pipe tool joints in the types of E, X, G and S, with size specifications ranging from 2-3/8" to 6-5/8" general tool joints and also covering special-purpose drill pipe tool joints independently developed by the Company, such as those with sour services, arctic service double shoulders, special thread, etc. In compliance with ISO9001 and API Q1 quality management system, the Company adheres to the management tenet of "quality first, users foremost". Based on long-term proven practice and user feedback, it has set up a complete and effective quality management and product quality assurance system, supported by advanced R&D facilities for inspection and new product R&D. In this way, its new products are well received and recognized by an increasing number of users inside and outside China and hence the Company keeps growing.

    聯系方式地址:江蘇省無錫市新吳區梅村錫泰路217號
    電話:0510-85366075
    傳真:0510-85366058
    郵編:214112

    主站蜘蛛池模板: 亚洲欧美18v中文字幕高清| 国产成人精品一区二区在线小狼| 久久99热只有频精品6狠狠| 国内精品久久久久久久小说| 久久不见久久见中文字幕免费| 亚洲精品一区二区在线播放∴| 性高朝久久久久久久久久| 成人性生交大片免费看vr | 蜜桃无码av一区二区| 在线综合亚洲中文精品| 欧洲国产在线精品三区| 国产99视频精品免费视看6| 在线 亚洲 国产 欧美| 无码人妻少妇伦在线电影| 乱码视频午夜在线观看| 又湿又紧又大又爽a视频| 国产在线偷观看免费观看| 桃花综合久久久久久久久久网 | 天堂√最新版中文在线天堂| 色 成人 亚洲| 精品国产福利久久久| 成人无码特黄特黄av片在线| 精品无码成人久久久久久| 无码国产午夜福利| 久久66热人妻偷产精品9| 国产偷人妻精品一区| 精品久久久久中文字幕一区| 国产又黄又大又粗的视频| 日本亚洲欧洲色α在线播放| 无码潮喷a片无码高潮视频| 久久久久免费精品国产| 黄 色 人 成 网 站 免 费| 爆乳熟妇一区二区三区霸乳| 2020国产精品精品国产| 亚洲成av人片天堂网| 蜜桃网站入口可看18禁| 亚洲aⅴ综合av国产八av| 全黄性性激高免费视频| 欧美日韩一本无线码专区| 国产av综合影院| 综合欧美日韩国产成人|