ND is at the foot of “Jinanqing” granite mine which boasts rich mineral resources and advantaged resource condition. It has complete machinery processing equipment, is equipped with advanced electronic detection instrument, realizes computer data processing and has a group of high-quality dedicated staff.

Compression Strength: 257.1 Mpa

Bending Strength: 36.7 Mpa

Shore Hardness: 79.9 HSD

Density: 3.07 ton/m³

Water Absorption: 0.12

Loss on Ignition: 0.65

Chemical Composition: SiO2 48.8, Al2O3 12.54, MgO 14.5, CaO 8.8, Fe2O3 1.39.