Zhengzhou Zhengtong Abrasive Import&Export Co., Ltd is exporter of blasting media ceramic beads, brown fused alumina, black fused alumina, white fused alumina & grinding media zirconia beads,
Black spherical Fused Ceramsite Sand Foundry Material 150# 20-30 Mesh Description Ceramsite, also called as Fused ceramic sand, or NFS CERAMSITE-Nice ...