About Us


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BTU International, a wholly-owned subsidiary of Amtech Group (Nasdaq: ASYS), is a global supplier and technology leader of advanced thermal processing equipment and processes to the electronics manufacturing and alternative energy markets. BTU equipment and knowhow are used in the production of printed circuit board assemblies and semiconductor packaging as well as in the manufacturing of solar cells.

BTU has operations in Billerica, MA, USA, and Shanghai, China, with a sales and service presence in over 30 countries. Since 1950, and with over 10,000 units shipped, BTU International has been the trusted name for high-tech customers with a need to solve high-volume thermal processing challenges. BTU’s products excel in processes where precise control of atmosphere and temperature are critical to product yield. We have over 200 patents and patents pending.

BTU is an ISO certified company in both the USA and China manufacturing facilities.

BTU’s Green Mission seeks to introduce environmentally friendly and sustainable practices into the work place.

LED Assembly Industry 4.0 CIGS