高清无码一区二区三区,亚洲综合无码AV一区二区,国产久草五月天,国产91清纯白嫩初高中在线观看,992TV快乐视频一在线,国产精品无码一区二区三区电影,国产视频一区二区,色综合欧美,凹凸国产熟女精品视频APP,91精品国产91久久久久久蜜臀

    <nav id="f2gtj"></nav>

<tt id="f2gtj"></tt>
    1. <track id="f2gtj"></track>
            PRODUCTS

            Pipe products
            Pipe products Oil production machinery Castings and forgings

              The Technical Center of the company has developed new products of API and Non-API series, like High-collapse, Anti-H2S Tubing & Casing, thermal application Tubing & Casing, Drill pipe body, line pipe, special drift casing, perforating barrel, insulated tubing, super strength sucker rod, pumping unit with high strength. Many of them have been tested and evaluated by authoritative departments, and been exported to America, Russia, Middle-East, Southeast Asia etc.
              On November 28, 2007, during the centralized procurement of Tubing & Casing on CNPC Energy Ahead for 2008, the company continued to be qualified for the supply of API Tubing & Casing to all the oil fields of CNPC in 2008. The company believes that with the continuous development and application of new products and technologies, it will meet the needs of the international and domestic petroleum industry in the high-end field, effectively improve the competitiveness of the company's products, enhance the company's position in the industry, create good business performance, and maintain the company's steady, high-speed and long-term development.
              Capacity:Up to end of 2007, the capacity is that Rolling: 400,000 tons, Upsetting: 100,000 tons, Heat treatment: 200,000 tons(high grade OCTG), threading: 350,000 tons(finished tubing and casing).
              Product features:high purity, stable chemical compositions, good surface, high precision of geometric dimensions, excellent comprehensive mechanical and technological properties.
              Key equipment: the key equipment for tubing & casing production line are introduced from Europe, Japan and large-scale professional manufacturers in China. The whole process of manufacturing is controlled by computer automation equipped with professional, complete and advanced online and offline inspection and testing equipment. There are advanced automatic monitoring, temperature control system and pipe rotating quenching system with internal and external spraying water on two heat treatment lines. In 2006, a Multi-functional automatic Ultrasonic Testing Machine was imported from UK with the most advanced detection technology, including oblique and lamination inspection in addition to transverse & longitudinal inspection and full-length wall thickness.

            国产成AV人片在线观看天堂无码| 精品国产一区二区三区国产馆| 99久久精品一区二区毛片吞精| 在线视频亚洲久热| 免费毛片欧洲毛片| 狠狠爱精品久久| 亚洲人成网αⅴ| 在线天堂AV| 成人看免费视频久久| 美国一级黄色片免费观看| 看曰本女人大战黑人视频| 久久夜色精品国产亚洲AV动态图| gogogo高清免费观看| 久久久久人妻精品一区二区三区| 夜夜久久国产精品亚州AV| 久久五月网| 欧美国产日本在线观看| 亚洲日韩精品无码专区网址| 国产精品视频免费一区二区| 天天操夜夜操| 日本爱看黄色视频网站| 无码精品国产一区二区三区免费| 免费无码毛片一区二区| 美女午夜av| 18禁无码无遮挡在线播放| 亚洲一区二区三区乱码在线 观看| 欧美A免费播放| 好大好深我高潮了视频内射| 久久99精品久久只有精品| 国产日韩av网| 国产永久免费视频| 久久中精品中文| 无码内射第一区AV| 国产精品久久久尹人香蕉| 天堂资源在线中文二区| 国产成人久久精品激情| 九九啪啪视频| 日本艳妓bbw高潮一19| 无码视频一区二区三区| 久久久久亚洲av成人网人人下载| 最近更新中文字幕|