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2022-01-18
Warmly celebrate the release of the technical specification of coated iron for chemical barrels drafted and edited by donghexin group
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2020-09-18
Donghexin was invited to give a keynote speech on the development and application of coated iron technology at the annual meeting of China's sheet metal industry chain
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2020-05-09
Shang Jianming, mayor of Dongtai City, and his party visited our company for investigation and research
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