使用领域 楼梯、、、室外墙面、、、室外地面、、、柱面、、、台面板 | The stairs, outdoor metope, ground outdoor, cylinder, a panel

　　岩石特点 结构致密、、、质地僵硬、、、耐酸碱、、、耐气象性好 | The compact structure, quality of a material is solid, acid and alkali resistant, weather resistant of good