First of all, we should know that natural quartz stone is not poisonous, unless the factory raw material has problems. Quartz is a kind of mineral resources with physical and chemical properties very stable, the main ingredient is silicon …

1, No scrapingquartz worktop supplier quartz content up to 94% of its quartz crystal is a natural diamond in hardness only to natural mineral, high surface hardness of Ta Mok's hardness of 7.5, much larger than quartz worktop supplierthe k…