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Gongyi Shenglong Refractory Materials Co., LTD
Gongyi Shenglong Refractories Co., LTD becomes the professional manufacturer dealing with alloy, metallurgy and refractory materials, proppant sands ceramic grinding ball. The company emphasizes technology innovation own one national newly practical patent, three patents have been ...
Telephone:86-0371-60965289Address:Yongan, Zhengzhou, Henan, China
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