Description: 
 This product is no noise, density of 2.66, density 1.85g/cm3, Mohs hardness value of 1.22 × 10Pa, including clay content ≤ 1, the mechanical strength 7.0. 
 Material: 
 I produced the pebbles, quartz gravel filter layer is the result of supporting the natural river dredging, artificial, screening, washing made. 
 Appearance: 
 Spherical-shaped, pure white or variegated. 
 Uses: 
 Pebbles are widely used in public buildings, villas, garden buildings, paved roads, parks and rockery, bonsai filling materials, garden art and other senior superstructure. It carry forward the ancient oriental culture, but also reflects the Western classical, elegant, artistic style of a return to basics. 
 Pebbles also water, sewage treatment, electricity, garden project to provide high quality materials other items. Also ceramics, precision casting, papermaking, abrasion, chemical, silicon, and national defense provides the raw and auxiliary materials.