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cngc huajin group storage and transport project
product oil and liquid chemical storage and transport in yingkou port
natural gas storage and distribution station
nanjing natural gas utility project
1500 ton/year polycrystalline silicon project of jiangsu shunda electronic material and technology co.,ltd.
1 million ton/year delayed coking unit installation project of shandong hengyuan petrochemical company
tfe& hep projects of shandong dongyue macromolecular material co., ltd.
fushun detergent chemical factory
alkyl benzene plant of nanjing jinling petrochemical corporation
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