説明: River sand, a natural material used in construction, is primarily composed of silica (SiO2) and other minerals like quartz, feldspar, and mica, with varying amounts of impurities like clay, silt, and organic matter.
提供者: SHREE RADHUNANDAN SUPPLIERS PVT LTD
市区町村: N/A
連絡先: 9998576900
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