Siltronic AG, along with its global subsidiaries, specializes in the production and distribution of high-purity semiconductor silicon wafers, offered in diameters up to 300 mm. Their product range includes both polished and epitaxial wafer types. Additionally, the company provides niche solutions such as "Ultimate Silicon," an optimized crystal designed for polished wafers; "PowerFZ," a wafer produced using the float zone method; and "HIREF," a non-polished wafer known for its high reflectivity.