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Qingdao Dongfang Refractories Co.,Ltd.
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About Us
manufacturer of Al2O3-C monolithic stoppers, nozzles., Al2O3-ZrO2-C Submerged nozzles.MgO-C tapholes and silica nozzles, submerged nozzles and etc. refractory materials used in con-casting process in iron and steel company.
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