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Henan Coal Chemical Group 60,000 t/y polytetrahydrofuran project

Henan Coal Chemical Group 60,000 t/y polytetrahydrofuran project

Henan coal chemical group - 100,000 t/y 1,4 butanediol project

Henan coal chemical group - 100,000 t/y 1,4 butanediol project

Henan Shenma nylon-66 (Hexamethylenediamine adipate) salt project thermal power station chimney (height 120m)

Henan Shenma nylon-66 (Hexamethylenediamine adipate) salt project thermal power station chimney (height 120m)

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