Product ground by grinding material with abrasive belt of grit 320 # to produce continuous grinding lines 用粒度适当粒度的砂带拉丝成连续的线条。
Polished with abrasive belt of grit # 150 - 320 on the no . 4 finish and has continuous streaks , mainly used as build ing ? ornaments , elevators , door of building , frontal plate etc 4经适当粒度抛光砂带的连续研磨生成研磨花纹的产品（细分150 - 320号） 。主要用于建筑装饰，电梯，建筑物的门、面板等。
Polished with abrasive belt of grit # 100 - # 120 , have better brightness with discontin uous coarse stria , used as inner and external ornaments for building , electrical applianc es and kitch en utensils etc 120号研磨带研磨出来的产品。具有较佳的光泽度，具有不连续的粗纹。用于建筑内外装饰材料、电器产品及厨房设备等。
