1.石英砂 QUARTZ SANDS
高純硅砂 high purity grade:SiO2:99.95%min-99.8%min Fe2O3:3ppm max-30ppm max, size:2-200 mesh
精製硅砂deliberated grade:SiO2:99.8%min-99.0%min Fe2O3:50ppm max-0.03% max, size:2-325 mesh
2.天然水晶粉 NATURAL CRYSTAL.....
查看所有供求信息(2) Xuzhou Fengbao Mining Co., Ltd.
[中国]