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The 17th National Congress of Pursuit of Excellence held in Beijing Petrochemical industry won 4 national quality awards
2020/7/30

The 17th National Congress of Pursuit of Excellence held in Beijing Petrochemical industry won 4 national quality awards

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Valve certification testing seminar successfully held at Pullman Wenzhou
2020/7/30

Valve certification testing seminar successfully held at Pullman Wenzhou

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