Shandong Hanyue Heavy Industry Group: We are the source manufacturer manufacturers, we produce more than 50 kinds of machinery and equipment, mainly to hardware tools, engineering construction earth
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The chiller is applied to the cooling of the molding die of plastic processing machinery, which can greatly improve the surface finish of plastic products, reduce the surface marks and internal stress
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The promotion of the epidemic, the maturity of camp construction, the improvement of camping facilities and the education of outdoor awareness have quickly promoted recreational camping to become a
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