2021/01/11

2020.02

Under the premise of meeting the requirements of epidemic prevention and control, the company resumed work and production in an orderly manner.


2021/01/11

2020.07

New Tiehu Petroleum Machinery R & D Center (Class A) was approved by Hebei Provincial Department of Industry and Information Technology.


2021/02/27

2020.07

July 2020 R & D Center


2024/02/18

2023.08

The field test of "Super Shear BOP" of Pipe Tooling and Well Control Technical Service Branch | was a complete success


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