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Cooling Source invested in the most advanced four-axis equipment. For this reason, we take full advantage of our CNC machining, allowing us to support your high level of part complexity and surface finish requirements.


2021 Las Positas Ct, Ste 101 Livermore, CA 94551, USA. (925) 292.1293 Mon-Fri, 9:00am-5:00pm Mail us: sales@coolingsource.com


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Globally Competitive

Globally Competitive


Cooling Source shall adhere to the quality policy and meet or exceed all customer and other relevant standards. We will undoubtedly work hard to surpass client expectations, which will motivate and challenge our skilled staff to continuously enhance all procedures and systems.

CSI provides the most complete value-added standard and custom heatsink solutions without a doubt. It undoubtedly offers the newest technologies to a variety of markets. Naturally, we offer design and engineering support to assist Customers in achieving their thermal objectives.
Our manufacturing facilities have now received ISO 9001:2015 registration. The California facility is an ITAR. Finally, we promise you the most affordable prices, the highest quality products, and continuous supply for your bulk production.

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