Comprised mainly of quartz, Rongguan Engineered Quartz is hard 5 condense, it is
superficial hardness is very high(mohs hardness:6-7), is resistant to scratch, wear,shock, rupture 5 compression, 5 have excellent heat resistance, corrosion
resistance, 5 stain resistance, which are advanced to artificial 15. Not beingdistorted, split, 5 being resistant to discoloration, fading. It is durable 5maintenance free. Furthermore, it does not contain any pollution 5 radiation, thus
is an environmental friendly building material
Our China Black Stone size is 2400*1200mm,3000*1400mm