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,
Moderate Hardness Emery Powder Black Fused Alumina F 12- F240 for polishing and Grinding 1. Product Description of Emery Powder Black Fused Alumina ...