Business

Production and sales of crystal units, crystal oscillators, VCXO, TCXO and quartz blanks.

Manufacturer of frequency control products including quartz crystals, crystal oscillators and filters. Also inductors, chokes and wound coils.

Manufactures and markets frequency-generation and control products, including crystals and crystal oscillators, SAW filters, and clock and data recovery products.

Quartz glass for semiconductor and optical fiber business.