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RS Technologies Co. Ltd. engages in the provision of silicon wafer reclaim, oxide film coating and sales. It operates through the following business segments: Wafer Business, Prime Silicon Wafer Manufacturing and Sales, Semiconductor Material Sales, and Others. The Wafer Business segment handles the silicon wafer recycling and oxide film coating businesses. The Prime Silicon Wafer Manufacturing and Sales segment covers Beijing GRINM RS Semiconductor Materials Co., Ltd. business. The Semiconductor Material Sales segment covers the sale of consumable materials and used semiconductor equipment and chemical parts. The Others segment deals with solar business, machinery sales and technical consulting. It also engages in the business of technical assistance and education service on semiconductor wafer manufacturing process. The company was founded on December 10, 2010 and is headquartered in Tokyo, Japan.