Founded in 1989, SJK specializes in the manufacturing of crystal resonators and oscillators. With over 30,000 m² of advanced production facilities and 30 fully automated production lines, we ensure high efficiency and precision in every process.
We are certified with ISO 9001, 14001 & 45001 and our products comply with RoHS & REACH regulations, demonstrating our dedication to quality standards and environmental sustainability. With extensive experience in miniaturization, high precision, and low power consumption, our components are widely used across multiple industries.
Founded in 1989, SJK specializes in the manufacturing of crystal resonators and oscillators. With over 30,000 m² of advanced production facilities and 30 fully automated production lines, we ensure high efficiency and precision in every process.
We are certified with ISO 9001, 14001 & 45001 and our products comply with RoHS & REACH regulations, demonstrating our dedication to quality standards and environmental sustainability. With extensive experience in miniaturization, high precision, and low power consumption, our components are widely used across multiple industries.



