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Dalian Dagao Valve was awarded the title of Green Factory in Liaoning Province
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The signing ceremony for the strategic capital increase of Dalian Dagao Valve has come to a successful conclusion, as the industry gathers strength to embark on a new journey together
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The research team of Nanning Federation of Industry and Commerce visited Dalian University for inspection and research on the college entrance examination
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The first domestic device! The 'Great Nation Heavy Equipment' has been officially shipped
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The first independently developed main steam isolation valve pneumatic hydraulic actuator has been successfully shipped
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