Production and sales for sand, stone, cement, steel and other construction materials.
沙石料地材、水泥、钢材等建筑材料的生产销售。
The cheap plant fiber replaces other construction materials by simple dies and common operation method.
用简单模具，普通操作方法，将廉价的植物纤维材 料代替了其它的建筑材料。
The cheap plant fiber replaces other construction materials by simple dies and common operation method.
用简单模具，普通操作方法，将廉价的植物纤维材 料代替了其它的建筑材料。
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