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Announcement on environmental impact assessment of technical transformation project of 200000 t / a renewable environmental protection high precision copper production line of Ningbo Changzhen Copper Co., LtdOur company participated in the National Key Laboratory and Engineering Research Center construction progress exchange meeting of renewable metal industry
Announcement on environmental impact assessment of technical transformation project of 200000 t / a renewable environmental protection high precision copper production line of Ningbo Changzhen Copper Co., LtdOur company participated in the National Key Laboratory and Engineering Research Center construction progress exchange meeting of renewable metal industry