免费一区二区三区A片AV少妞,国产成人精品999在线观看,中文字幕一区在线观看,东北少妇监控在线播放,亚洲国产无线乱码在线观看
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.

亚洲精品秘一区二区三区蜜桃久 | 搡BBBB 搡BBB东京热 | 强行糟蹋人姜HD中文字幕 | 欧美日韩人妻精品 | 淫淫基地激情五月 | 韩国一级视频中文字幕 | 免费看国产黄色视频 | 少妇又色又爽又刺激 | 色婷婷粉嫩97在线A片 | 99国产无码99久久久久久 | 一级av在线免费观看 | eeuss国产一区二区三区四区 | 成午夜精品一区二区三区软件 | 四川少妇XX谢欧美 | 亚洲午夜a久久久精品影院 亚洲AV综合久久无码国产 | 亚洲五码免费观看 | 国产一级a毛一级看免费视频 | 日韩欧美久久成人无码 | 91在线精品码秘 入口九色平台 | 久久国产成人午夜AV影院宅 | 人体色情乱一区二区三区 | 性妇BBW搡BBBB麻豆 | 免费无码国产色情在线 | 精品乱码一区内射人妻无码 | 成人小视频在线观看 | 精品久久久亚洲精品 | 久久久久久免费免费麻辣 | 成人免费A片在线观看直播 国产一级特黄高清在线大片 | 69精品视频一区二区在线观看 | 极品丰满少妇一级毛片 | 波多野结衣AV导航网站在线观看 | 91AV视频一区二区 | 欧美群妇大交乱婬XX | 亚洲精品中文无码视频 | 欧美性猛片AAAAAAA做受 | A片夜夜爽爽AAAAA片 | 久久99国产综合精品三级涩爱 | wwwav在线观看| 国产成人午夜精品无码一区二区 | A√国产精品一级特成人午夜影院 | 网站在线观看你懂的桃花 |