GRITEK.GRITEK was established in June 2001, primarily engaged in the research, development, production, and operation of silicon and other semiconductor materials and equipment, while providing related technical development, technology transfer, and technical consulting services. GRITEK's main products include silicon single crystals and wafers for integrated circuits, large-diameter silicon single crystals and products for integrated circuit etching processes, zone-melted silicon single crystals and wafers, polycrystalline products, and semiconductor clean tube valves. Guided by the core values of Innovation, Challenge, Integrity, and Excellence, the company strives to create value for society, empower employees to achieve their dreams, deliver returns for shareholders, and relentlessly pursue its vision of becoming a world-class semiconductor enterprise. Key products include: silicon single crystals and wafers for integrated circuits; large-diameter silicon single crystals and products for integrated circuit etching processes; zone-melted silicon single crystals and wafers; polycrystalline products; and semiconductor clean tube valves.