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.

91国内精品白嫩初高生| 美日韩无码视频| 探花约了个丰满少妇| 婷婷俺来也| 九九热精品在线视频| 精品国产AV无码喷奶水麻豆| 日日操夜夜爽| 欧美午夜福利在线| 五月精品在线| 久久精品电影免费| 日韩精品免费观看| 国产夫妻精品| 日本熟女视频一区二区| 人妻少妇精品| 四虎国产精品永久在线| 顶级少妇极品销魂| 亚洲欧美一区二区在线观看| 国产精品49P| 国产在线无码视频| 日本91| b站永久免费看片大全网站 | 四虎人妻| 国产一级片av| 国产精品99久久久久久有的能看| 欧美人与动牲交a精品| 亚洲牲交| 国模一区二区三区| 精品人妻一区二区三区中文字幕| 偷拍视频久久| 澳门无码一区二区三区| 精品视频在线播放| 亚洲av网站在线观看| 天天躁日日躁狠狠躁2018小说| 99视频精品在线| 无码婷婷| 熟女国产精品| 成人无码久久| 日韩精品无码成人专区免费一区 | 久久精品无码精品免费专区| 97精品一区二区视频在线观看 | 成人区人妻精品一区二|