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Changyou held the 2019 staff travle and outward …
[2019-08-31]
Changyou held the 2019 sports meeting
[2019-07-24]
Changyou exhibited on the NEFTAGAZ 2019
[2019-05-04]
Managed Pressure Drilling(MPD) Corperations
[2019-01-03]
Changyou Held Regular Firefighting Training
[2018-12-30]
Changyou exhibited on the ADIPEC 2018
[2018-11-19]

Industry Information

Longdong shale oil broke through 1000 tons of cr…
[2019-12-05]
The oil market could be under pressure for a lon…
[2019-11-25]
Opec cut its forecast for medium to long term gr…
[2019-11-11]
Years of Offshore Investments Could be Valueless
[2019-11-01]
Nigeria in Talks with Oil Majors to End $62B Dis…
[2019-10-15]
Oil Prices End Week on Positive Note
[2019-10-06]

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