Core Viewpoint - Yuhuan CNC (002903.SZ) has established a strong reputation in the market by providing grinding and polishing machines widely applicable in the processing of consumer electronics, particularly for components of 3C products like smartphones, laptops, tablets, and smart wearables [1] Group 1 - The company's grinding and polishing machines can process various materials including glass, sapphire, ceramics, titanium alloy, aluminum alloy, and stainless steel [1] - Since starting to serve the Apple supply chain from the iPhone 4, the company has built a good reputation and market image, with its products and services highly recognized by customers [1] - The company provides grinding and thinning processing services for exterior component materials for products such as the iPhone 17 series [1]