Product features: 1. The inner and outer diameter tolerance size of the coil should be controlled at a minimum of 0.01mm, and the inductance tolerance can be controlled to ± 2.5%; 2. The minimum inner diameter of the hollow coil can reach 0.3MM; 3. The raw material wire brands are well-known suppliers in the industry, such as Yili Soler, Daihei, and Sumitomo; Application field: The products are mainly used for various toys, computer hard drives, high-end headphones, IC binding machines, high-speed textile machines, medical equipment, coffee heaters, RFID recognizers, cameras, cameras, switches, motors, solar energy, wireless chargers, new energy vehicle products, etc Chengpin Technology's hollow coil has always adhered to 100% reliability life testing, and the testing standards are higher than industry standards for pinhole testing, wire uniformity, viscosity, meter resistance, and impact resistance testing. With consistent strict quality requirements, it has received praise from hollow coil customers Chengpin Technology's hollow coil will continue to exceed customer expectations in terms of performance, lifespan, quality, and cost. Please feel free to inquire and place an order. Product name: Hollow coil Support customization: provide pictures and samples Size: Customizable Contact person: Ms. Cai Phone: 19179901586 (same WeChat account) Email: cpsales1@chengpin-tech.com