Material is cement, sand, coal dust, high pressure molding, need not sinter. The product with good strength, colourful.
原料由水泥、黄砂、粉煤灰组成，高压成型无需烧结，成品瓦强度高、色彩丰富。
Material is cement, sand, coal dust, high pressure molding, need not sinter. The product with good strength, colourful.
原料由水泥、黄砂、粉煤灰组成，高压成型无需烧结，成品瓦强度高、色彩丰富。
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