Our Commitment to Excellence

Certified Quality, Reliable Performance. SJK's adherence to international standards ensures the highest level of product reliability and consistency for every market we serve.

Global Standards, Local Trust

At SJK, our quality management system is the foundation of everything we do. Our ISO 9001:2015 certification forms the baseline of our operational excellence, which we rigorously maintain and renew annually.


Driven by our strong and growing presence in the automotive sector, we have achieved the IATF 16949:2016 certification in 2024. This strategic milestone underscores our commitment to meeting the stringent requirements of the global automotive industry, delivering the zero-defect quality and traceability our automotive partners demand.

Type of Certification
Products
Initial Certification Date
Register Certificate
ROHS Reach
Dip Crystal Resonator
2025/12/08
ROHS Reach
Crystal
2025/12/08
ROHS Reach
SMD Glass 308C 7015
2025/12/08
ROHS Reach
SMD Glass 8045 5032 3225
2025/12/08
ROHS Reach
Seam Crystals 3225
2025/12/08

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