... of screening, the approximate shape, and smooth surface, colour is pure white and noise. After crushing ores for quartz quality.the precision ... ~5cm, 5~8cm, 8~12cm6Color Availableblack, yellow, red, green, gray, white, mixed7Processwash, wax8Featuregood quality, low price9Package25kg woven bag, pvcbag, polybag, or ...