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LUOYANG RUIYU CERAMIC SAND CO., LTD.
Tel:+86 379 65110927
Fax:+86 379 65110921
Email:lyry@lyruiyu.cn
Website:www.lyruiyu.cn www.foundry-sand.cn
Address: Gaolong Town, Yanshi county, Luoyang, Henan, China

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