石油管材 meaning in Chinese

octg
oil country tubular goods

Terminology of imperfections in octg and line pipe
石油管材常见缺陷术语
The present condition and development of training and qualifications for china petroleum tubular goods nondestructive testing personnel were introduced
摘要介绍了中国石油管材无损检测人员资格鉴定与认证工作的现状和发展。
We are setting up a mill for production of tubing and casing couplings . we would like to serve as your oem mill for this products . welcome to cooperate with us
我公司新上接箍项目，主要生产石油套管接箍和油管接箍。欢迎国内外各石油管材生产商前来洽谈合作。
Though great achievement had been got in petroleum industrial , there are still some un - solved problems ; the cooperation of training and qualifications for domestic or international nondestructive testing personnel is an important way on the development of the training and qualifications work in china
该项工作的实施在石油工业内已取得了很大的成效，但仍存在某些待解决的问题；进一步加强国内、国际无损检测人员技术资格认证合作是中国石油管材无损检测人员技术资格认证工作发展的重要途径。