Gongyi Taurus Refractory Material Factory is a professional refractory materials manufacturers and refractory materials suppliers,mainly supply Unshaped Refractories,Silicon Carbide Refractory Castable,Castable Refractory Cement,Pouring Material,Castable Refractory Concrete,Silica Ramming Mass etc. series of refractory materials products, sincerely welcome everyone to visit. Quartz sand is quartz quartz stone crushing processed.Quartz rock also known as silica, is a kind of hard texture, abrasion resistance, stable chemical properties of silicate minerals.In nature, quartz sandstone, quartzite and vein quartz exist.