longkou shuangji cement import&export co.,ltd -

longkou shuangji cement import&export co.,ltd

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cement
Specification: PO42.5,42.5R,52.5,52.5R, composite portland cement with PC 32.5
Detail: We are a professional manufacturer of portland cement in China. Our main product include ordinary portland cement with PO42.5,42.5R,52.5,52.5R, composite portland cement with PC 32.5,32.5R,42.5,42.5R, all products meet the sta...


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