High quality,good price Color:white,black,beige,grey,brown,etc Size: ... as quartz and resin, to make sure the good quality of raw material.Refine & mixture the raw material: ... important way to get the great quality of the quartz stone with high purity raw material and stable ... more vividTotal Quality Control: focus on surface quality, hole, the shade no. and so on. High quality of white quartz stone( ...