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Frequency Control Products (click on logo to be directed to the manufacturer website)

With more than 10 years experience and strong quality control system,
Yoketan ave supplied high quality products to worldwide customers and
enjoyed a great reputation.

CALTRON DEVICES LTD is one of the leading manufacturers that developed quartz crystal products in Hong Kong. Caltron have been supplying high reliable crystals to the top customers of the world since 1990.