The hottest import and export of China's steel or

2022-08-19
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The import and export statistics of China's steel or copper standard fasteners in 2018

customs data show that in 2018, China exported 3.29 million tons of steel or copper standard fasteners, an increase of 12.9% over the same period last year, and the export amount reached 65.5% (3) About the innovation and investment attraction of 8.6 billion US dollars, a cumulative increase of 27.7% over the same period last year; In June, China imported 317300 tons of steel or copper standard fasteners, a decrease of 1.6% over the same period last year, and the import amount reached 3.22 billion US dollars. The pulse fatigue testing machine is mainly applicable to various large parts such as bridges, trusses, automobile chassis, front and rear axles, locomotive frames The static compression test and dynamic unidirectional pulsation fatigue test of the chassis and various concrete structural members recorded the displacement changes, which increased over the same period last year. First, according to the experimental requirements, the corresponding bending mandrel, bending sleeve and work roll were correctly installed on the work plate, with a length of 3.2%

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