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Shortages on routes from Asia to Europe and North America have affected shipments of logistics company

The closure of airspace during the Conflict between Russia and Ukraine has had a serious impact on the aviation industry, according to an analysis by the International Air Transport Association (IATA) released on Tuesday. Flights had to be diverted o…

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Main Performance of Foam Concrete

Foam concrete has a low density. In practical application, the density grade of ordinary foam concrete is 300 kg/m3~1200kg/m3.…

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Difference analysis between early strength agent and superplasticizer for concrete

Early strength admixture refers to the admixture that can improve the early strength of concrete and has no significant effect on the later strength.Superplasticizer for concreter is a concrete admixture that can reduce the amount of mixing water whi…

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