Core Insights - The company Tonglian Precision has passed audits from some target customers for its factories in Changsha, Hunan, and Vietnam, and is gradually purchasing equipment based on customer needs for production [3] Group 1: Company Overview - Tonglian Precision's products are primarily used in the new consumer electronics sector, including foldable smartphones, tablets, laptops, desktop computers, smart touch capacitive pens, smart wearable devices, aerial drones, and action cameras [3][4] Group 2: Product Applications - The specific product types include: 1. Foldable smartphones: precision components related to hinges such as support parts, movable rods, positioning blocks, and axis covers [4] 2. Tablets and laptops: precision components like power support parts, volume support parts, camera brackets, and power interface components [4] 3. Smart touch capacitive pens: precision components including sleeves, plugs, long tubes, and decorative rings [4] 4. Smart wearable devices: TWS earphones and smart glasses, with components such as earphone and charging case shells, hinge mechanisms, frames, and light guide columns [4] 5. Drones: precision components like gimbal counterweights and axis brackets [4]