Company news
Company news
2015-01-21 16:07:08
A work team aimed at applying for the project of “Industrial Technology R&D” of Sichuan province was established on Dec, 20, 2014. On the basis of the iron roughneck invention patent and relevant new patents, the work team submitted an application document on Jan, 13, 2015 on the recent innovation of key technologies of iron roughneck.
