5 November 1991

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2021-12-20

5 November 1991
The competent authority announced the decision to merge Xi 'an Water Pump Factory and Xi 'an Low Pressure Valve Factory into Xi 'an High Pressure Valve Factory, and the name of the factory was changed to Xi 'an Pump Valve Factory, while the name of Xi 'an High Pressure Valve Factory was retained.

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