Purchase Qty. Reference FOB Price
5-99 Pieces US$50.00
100-499 Pieces US$42.00
500+ Pieces US$30.00
Product Description
Customized Wear Resistance Si3n4 Ceramic Bar Stick Plunger Surface Polishing Silicon Nitride Porcelain Shaft Rod. It is an important structural ceramic material, high hardness, itself has lubricity, and wear resistance, atomic crystal; Oxidation resistance at high temperature. Product Description ...