日韩人妻无码一区二区,日美嫩B嫩BBBBBB,亚洲 精品一区二区三区,国产婬乱片A片AAA毛片下载,精品国产鲁一鲁一区二区赤裸特工
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.

波多野结衣无码久久无码 | 日韩精品无码熟人妻视频—本大道 | 公天天吃我奶躁我的在线观看强奸 | 少妇与大狼拘作爱性A片免费 | 小辣椒成人福利A∨导航久久 | 91另类重口特殊无码 | 中日韩特黄A片免费视频 | gg成人永久免费视频网站 | 国产精品专区网站 | 少妇毛片一区二区三区粉嫩aV | 99无码秘 蜜桃人妻一区二区三区 | 成人免费A片视频网站49 | 妞干网无缓冲这里只有精品 | 少妇搡BBBB搡BBB搡澳门 | 一区二区三区三级片 | 少妇性狂躁120分钟视频 | 国产精品人妻无码久久久久 | 精品女女同性A片在线播放 国产美女碳化酒店激情啪啪 | 国产又大又粗又黄的视频 | 中出人妻中文字幕无码 | 河南少妇搡BBBB搡BBBB | 杏吧av一区二区三区 | 久久久久国色AV免费观看麻豆 | 亚洲国产精品无码影视 | 精品无码国产一区二区久久久久久 | 国产精品翘臀性爱视频 | 后人翘臀少妇在线观看 | 精品国产一区二区三区无码 | 波多野结衣按摩痉挛视频在线观看 | 亚洲精品一区人人爽 | 日韩三级片一二三区在线观看狼友永久网址 | 国产欧美一区二区三区在线看蜜臀 | 丰满美女中文字幕一二三四五六七 | 成人区人妻精品黑人AV | 免费观看十八禁黄网站 | 色呦呦呦呦呦呦呦呦呦呦呦呦 | 亚洲一级日韩一级 | 中国老太婆一级A片免费看 国产黄色视频在线观看视频 | 美女国产毛片a区内射 | 中文字幕人妻一区二区三级一区 | 91人妻人人爽人人精品 |