comprised mainly of quartz,Rongguan Engineered Quartz is hard and condense,it is superficail hardness is very high(mohs hardness:6-7), is resistant to scratch,wear,shock,rupture and compression,and have excellent heat resistance,corrosion resistance,and stain resistance,which are advanced to artificial Marble(Giallo Cecilia).Not being disorted,split,and being resistant to discoloration ,fading,it is durable and maintainance free,further more,it does not contain any pollution and radiation,thus is an environmental friendly building materail,

our slab size about quartz Stone(Verde Butterfly) is
2450*1250*12mm,or 18mm,
3050*1450*15mm,or 18mm,20mm