Bambanci tsakanin I-beam S355ML, S460J0, da S235JR Shandong Kungang Metal Technology Co., Ltd. shine mai samar da samfuran karfe. Mun samar da tashar karfe, H-dimbin karfe karfe, I-dimbin karfe karfe da sauran nau'o'in karfe, wanda aka yadu amfani a yi da masana'antu masana'antu. L...
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