3 results for keyword "upgrade"
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PetroChina Guangxi completes over 60% of its upgrade
11-27-2024 18:37:41 -
Sinopec Hunan gets approval to build ethylene and oil upgrade project
09-18-2023 18:32:21 -
PetroChina Guangxi proposes oil refining & chemical upgrade
06-27-2022 17:26:45