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,
BROWN ALUMINUM OXIDE GRITS FOR REFRACTORY Brown aluminum oxide section sand 0-1mm, 1-3mm, 3-5mm, 5-8mm has the characteristics of high purity, good ...