Just get reliable news, the future iphone 8 may use Zirconia Ceramic by Apple Inc. 

This prove that ZrO2 Ceramic has many excellent performance than metal material, and due to its nature & Zircon ceramic is produced under high temperature, lead to it has corrosion resistance etc,that’s why its application is widely ranged day by day. 

while when we producing ZrO2 ceramics, we have to use high temperature kiln furniture, that’s ReSIC(Recrystallized Silicon Carbide) Ceramic Plates, Beams...if you want a China RSIC Ceramics Supplier, don’t hesitate to contact Tangshan HanWei by WWW.HW-BIZ.COM, thank you !