SJK, founded 1989 Shenzhen in China 1989, is a professional manufacturer and exporter of electronic components including crystal filter, ceramic resonators, Ceramic Filter, Saw Resonator and SAW Filters. Products are wildly applied in Bluetooth, computer, computer peripheral, mobile phone, GPS system, wireless LAN & other precise electronic devices. The company has gained ISO9001 Quality Mangment System Certificate and ISO 14001 Environmental Mangment System Certificate.


Ceramic Resonator:

  • ZTA
  • ZTB
  • ZTT

Ceramic Filter:

  • LT10.7 Series
  • LT450 Series
  • LT455 Series

SAW Resonator:

  • 3225 SMD Saw Resonator
  • SAW Resonator for Remote Control

SAW Filter:

  • SAW Filter for GPS
  • SAW Filter for Satellite Control
  • SAW Filter for Wireless Lan