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The application of Zhangguo Pump and valve used in the reconstruction of Jiujiang Water Circulation System

The application of Zhangguo Pump and valve used in the reconstruction of Jiujiang Water Circulation System

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The knife gate valve of ZG industry export to Southeast Asia

The knife gate valve of ZG industry export to Southeast Asia

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Saudi customers DN500 hard seal gate valve has been shipped from Zhangguo industry

Saudi customer's DN500 hard seal gate valve has been shipped from Zhangguo industry

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The production of Zhangguo industry have successfully won the bid for a heating project in Shandong

Zhang Guoye's butterfly valve, gate valve,check valve and rubber joint products successfully won the bid for a heating project in Shandong

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The Ten General Rules of Ball Valve Repair

The Ten General Rules of Ball Valve Repair

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The difference of soft seal valve and hard seal valve

The difference of soft seal valve and hard seal valve

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The Difference of Rising stem gate valve and non-rising stem gate valve

The Difference of Rising stem gate valve and non-rising stem gate valve

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Chile customer arranged 480pcs check valve from ZG industry

Chile customer arranged 480pcs check valve from ZG industry

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The usage of ZG industry valve in the transformation of a thermal system in Xinjiang

The usage of ZG industry valve in the transformation of a thermal system in Xinjiang

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