Contact Us

Sales & Business Inquiries

24/7 Technical Support

Dedicated engineering support for urgent inquiries

Pre-Sales & Customization

Contact our engineers for project-specific solutions

Global Offices

Connect with our international teams and distributors

SJK European Stock

Local inventory for faster delivery across Europe

Business Cooperation

Whether you’re sourcing standard frequency control components or developing a custom timing solution, SJK is ready to support your project with reliable products and responsive technical service.


• Crystal Resonators & Oscillators

• TCXO / VCXO / OCXO Solutions

• Automotive & Industrial Applications

• Custom Frequency Solutions

• Engineering & Technical Support


Have questions about our products or looking for a reliable manufacturing partner? Our team is here to help.


Or simply fill out the contact form, and we’ll get back to you as soon as possible.

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