Normally it is made by 95% alumina
The advantage for alumina ceramic lamp cup is as follows:
1, Alumina Ceramic lamp holder has excellent insulation, good safety, but also can greatly increase the service life.
2, after precision grinding polishing, light efficiency is better than general aluminum cup.
3, ceramic lamp base has much better Dissipate heat performance, small volume, more energy, more environmentally friendly.
we can make alumina ceramic light socket and many kinds of technical ceramic according to your requirement.