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Cobblestone the cobblestone takes one kind of pure natural stone material, after being from has experienced thousands of year ago diastrophism, in the granulated substance rocky mountain which by the ancient river bed sticks out produces, is experiencing in the mountain torrent impact, the running water transporting process the unceasing extrusion, the friction. In several thousand year vicissitudes successional variation process, they fetch water full after the wave the movement which flushes, is rubbed by the broken stone collision has lost the anomalous edges and corners, is also buried deeply together with the silt in underground has silenced billion years. The cobblestone main chemical composition is the silicon dioxide, next is few elements and the compound and so on ferric oxide and micro manganese, copper, aluminum, magnesium. Their itself have the different pigment, like the redness is the iron, blue is the copper, purple is the manganese, the yellow translucent for the silicon dioxide colloid chalcedony, the emerald contains green mineral and so on; Because these pigment ion merges in silicon dioxide hydrothermal the type and the content is different, thus presents the color which the shade, the depth are eternally changing, causes the cobblestone to present black, white, yellow, red, dark green, the schungite isochromatic department.

The natural color's machine-made cobblestone, the river pebbles, the yuhua stone, stick the stone, to spurt dry brush the stone, to make Jing Shi, the petrified wood, the article fossil, construction finishing materials and the indoor high-level dyeing sand for decorative or ornamental purpos and so on natural light principle Shi Mi, non-toxic, tasteless, does not decolorize. The quality is hard, bright plain, has resistant to compression, the wear-resisting anti-corrosive natural stone characteristic, is one kind of ideal green building material.

The cobblestone is widely applied in the public building, the villa, the garden construction, lays down the road surface, the park rockery, the bonsai packing material, the landscape art and other high-level overtop structure. It both propagates the Eastern ancient culture, and manifests the West to be classical, to be graceful, returns to the artistic style which returns to original condition plain.

The cobblestone for the water purification, the sewage treatment, the electric power, the botanical garden and so on a project has also provided the high quality material. Also for the ceramics, the precision casting, the papermaking, spurts rubs, the chemical industry, the monocrystalline silicon, the national defense and so on to provide the original auxiliary material.

Material quality: 95% above silicon dioxide (SiO2).

Surface smooth finish 98%, compressive strength above 600 Kg/M2.