| |
|
|
- Crystal Black Quartizite Panels
- Quartzite is a nonfoliated metamorphic rock composed almost entirely of quartz. It forms when a quartz-rich sandstone is altered by the heat, pressure, and chemical activity of metamorphism. These conditions recrystallize the sand grains and the silica ce
-
厦門紅興有限公司
[検証済み]
|
|
交渉可能な
|
業種別に見る