av不卡电影,国产丝袜在线精品丝袜,国产精品亚洲欧美,成人激情五月天

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.

人妻人人澡人人添人人爽视频| 精品国产乱码久久久久久久| 精品国产乱码久久久久浪潮小说| 欧美国产一区二区| 亚洲AV无码国产综合专区| 少妇人妻无码久久久久久| 在厨房拨开内裤进入毛片| 亚洲精品播放| 亚洲AV无码天堂| 国产精品毛片无遮挡高清| 综合区亚一洲线观看免费| 日韩免费视频播放| 婷婷六月激情| 色一情一交一乱一区二区三区| 亚洲无码中文一区二区| 人妻少妇精品中文字幕专区视频| 色综合丁香| 国产精品一区二三区三亚| 成熟人妻视频一区二区三区| 无码精品人妻一区二区三区网站| 欧美日韩国产黄片| 白嫩无码人妻熟妇啪啪区| 欧美日韩人妻精品一区在线| 久久男女| 中文字幕乱码久久午夜| 色老头久久| 狠狠草视频| 亚洲性一区二区三区| 国产精品视频网址| 亚洲欧美久久精品| 色噜噜在线观看| 色综合色色| 精品国产一二三产区区别h| 精品婷婷| 亚洲人成网站精品片在线观看| 国产AV人人夜夜澡人人爽蜜芽| 免费观看a级片| 日韩AV无码久久精品免费3d| 99久久无码专区人妻| 精品美女| 黄页网站视频|