1. 99.995% ceramic insulators
2. crystal control part,vacuum consumables
3. ceramic products
4 vacuum consumables
5 JJK

Ceramic insulators- a crystal control part,also a vacuum consumables in the film deposition process,make of 99.995% ceramic.

We are the manufacturer of quartz monitor crystal and quartz crystal microbalance(QCM),and also supplies some vacuum consumables.Hold more than 500 customers in China and several overseas agent.

JJK company:

Quartz monitor crystal and QCM: