RS Technologies is a Japan-based semiconductor materials company specializing in silicon wafer reclamation, whereby used monitor wafers from semiconductor manufacturing processes are restored to near-new quality for reuse, offering chipmakers a cost-efficient alternative to purchasing new wafers. Beyond its core reclamation business, the company manufactures and sells prime silicon wafers through its Chinese joint ventures, and provides related services including oxide film deposition processing, semiconductor equipment/materials sales, and automotive camera module manufacturing. The company serves major global semiconductor manufacturers and foundries, operating across three key geographies—Japan, Taiwan, and China—and has also entered the renewable energy sector.