PSL Assemblies Ltd are the UK's premier manufacturer of precision-engineered heatsinks, liquid-cooled plates, and bespoke welded coolers - for the thermal management of data centre electronics, power semiconductor stacks, power conversion equipment, and UPS back-up power applications. Our services include 3D CAD design, technical consultancy, CNC vertical machining, thermal simulation, and EPA assembly of power semiconductor stacks. 

Since its inception,Stirweld has been at the forefront of the Friction Stir Welding industry. Our foundational mission is not only to introduce you to this groundbreaking technology but to ensure its seamless integration into your operations. We are dedicated to enhancing your experience with advanced, cost-effective products and services that encapsulate the full potential of Friction Stir Welding. Our team, a blend of expertise and unwavering dedication, is reshaping the market by making FSW technology affordable for a broader range of applications.