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,
Aluminum Oxide Blasting Media Black Fused Alumina F16# F20# for Flour Mill Stones or Abrasive Stones 1. Product Description of Black Aluminum Oxide ...