1. GRINM Semiconductor Materials Co., Ltd. (hereinafter referred to as GRITEK), a subsidiary of RS Technologies, manufactures and sells prime wafers. GRITEK is engaged in all steps of wafer manufacturing from pulling ingots to processing them into wafers.
2. We provide three sizes of prime wafers—wafers of 8 inches, the main product of ours, and those of 5 inches and 6 inches. They are mainly used in the production of power semiconductors.
3. Having manufactured prime wafers for many years, GRITEK has abundant experience and expertise of manufacturing prime wafers.
4. Together with the City of Dezhou in Shandong, China, and the General Research Institute for Nonferrous Metals, we established a joint venture to conduct research and development for mass production of 12-inch prime wafers.