BTU International

BTU International is a prominent supplier of advanced thermal processing equipment tailored for the alternative energy and electronics assembly sectors. The company specializes in manufacturing equipment for solar cell production, including systems for silicon and thin film photovoltaics, as well as rapid thermal processing furnaces for solar cell metallization. Additionally, BTU produces convection reflow ovens for printed circuit board assemblies and systems for sintering nuclear fuel. With operations in Billerica, Massachusetts, and Shanghai, China, BTU International maintains a sales and service presence across more than 30 countries, employing approximately 400 personnel, half of whom are based outside the United States. The company has built a strong reputation since its founding in 1950, having shipped over 10,000 units and holding more than 200 patents and patents pending. BTU International is also ISO certified in its manufacturing facilities in both the U.S. and China, underscoring its commitment to quality and reliability in high-volume thermal processing solutions.