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Xinyi Golden Ruite Quartz Materials Co., Ltd. (Which the former is Xuzhou Fengbao Mining materials factory) , Our company is specialized in manufacturing high purity quartz sand, micro-silica powder, fused silica and garnet sand abrasive granules products. Our products are mainly used for optical glass, refractory, metallurgy, ceramic, foundry and abrasives industry etc. Our company owns professional technician engineers and import advanced process line and modern precision analysis instruments. It has own a strong productive capacity of annual output of 50, 000-80, 000 metric tons for series of high purity quartz sand crystalline silica powder, melting fused quartz and garnet grit products. With the superior material and scientific management, With reliable quality, …