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.
| 日本老熟妇人妻妇毛多多 | 四川少妇bbw搡bbbb槡bbbb 丝袜 制服 综合 另类 另类 校园 | 扒丝袜在线影院免费观看 | 成人做爰A片AAA毛真人 | 国产乱码精品一区二区三区中文 | 青青人亚洲AV永久无码精品无 | 337p粉嫩大胆噜噜噜噜一区二区 | 无码国产Av天堂杏 | 久久久一级A片亚洲一级A片小说 | 色欲av蜜臀av无码人妻 | 91亚洲精品国偷拍自产在线观看 | 久久一级毛片内射人妖 | 婬乱丰满熟妇XXXXX性春色 | 欧美一区二区三区免费A片按摩 | 搡中国老女人老91妇女老熟女 | 欧美一级VA免费观看 | 少妇高潮一区二区三区爆乳动态 | 欧美性受XXXX白人性爽 | 波多野50部无码喷潮影院 | 四川寡妇BBB搡BBB爽爽爽 | 免费一级A片在线观看视频 欧美丰满一区二区免费视频 | 国产精品嫩草影院久久久 | 一区二区三区无码按摩精电影 | 亚洲乱码国产乱码精品 | 亚洲AV无码一区二区三区人区 | 欧洲成人无码一级A片男组长 | 妺妺窝人体色WWW在线换脸 | 国产寡妇婬乱A片AAA毛片 | 国产又粗又黄又爽又硬 | 88在线观看91蜜桃国自产 | 四川揉BBB搡BBB | 农村乱人妻一区二区三区 | 欧美母乳喷射观看在线 | 国产亚洲AV无码乱码在线观看 | 国产性猛交XXXX免费看久久 | 最近2019中文字幕 | 亚洲精品视频中文字幕3d外星人 | www.444国产在线视频一区 | 国产人妻精品无码AV探花 | 国产欧美一区二区精品性色超碰 |