About SJK

Company Profile

About SJK > Company Profile

Shenzhen Crystal Technology Industrial Co., Ltd. was founded in 1989 and is a professional manufacturer of frequency control components. Our component families are Quartz Crystals, 32.768kHz Crystals, Filters, Oscillators, MEMS, VCXO, TCXO, OCXO, Ceramic and SAW Resonators/filters.

We manufacture under our brand name1631609914856539.pngwhich stands for Satisfaction Quality, Just-in-time Service and Key-cost Offering. We firmly believe in these principles when offering our products.

Our factories are furnished with the latest equipment and extends over 30000m2 with 30 fully-automatic productions lines. Our facilities have passed ISO-9001, ISO-14001, ISO/TS 16949, QC-080000 and other international certifications, and our components are RoHS and REACH compliant.

We own years of technology and development of components in miniaturization, high precision and low consumption, making us one of the leading crystal manufacturers in the domestic market.

SJK brand frequency control parts are widely used in telecommunications, mobile communications, IoT, servers, metering, smart city applications, automotive electronics, consumer electronics, industrial control, test equipment, wearables, medical electronics, security and alarms, robotics and any device that needs a precise frequency or time-keeping. 

We have FAE, technical, international sales and customer service departments that work together to provide you the service and technical support before and after sales.

For any component inquiry or want to know more about us, do not hesitate to contact us and we will reply within hours.

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