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The service industry of Hua…
On April 20th, 72 sets of camp houses, the first batch of products exported by Huabei O…
2026-04-24
Daqing Drilling: Production…
Since the beginning of the year, Daqing Drilling Company has focused on the "Hundr…
2026-04-10
The water heating transform…
On March 23, it was learned from Jinxi Petrochemical that since the water heating trans…
2026-04-03-
03-15 2024Causes and treatment of internal leakage of natural gas ball valve2024-03-15Causes of ball valve internal leakage1. Reasons for internal leakage of the valve during the construction period:① Improper transportation and hoisting causes the overall damage of the valve, resulting in internal leakage of the valve;>
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12-01 2023Shengli Gudong Oil extraction plant takes many measures to reduce the nat…2023-12-01>
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