参考报价 6/KG
棕刚玉研磨石 (corundum grinding stone)
常用尺寸规格有:
小尺寸:
4×4m m, 5×5mm, 6×6mm, 8×8mm
中尺寸: 10×12mm, 12×12mm, 15×15mm
大尺寸: 25×25mm, 30×30mm, 40×40mm
可免费提供样品,0631-8******