OEM ODM Custom CNC Machined Aluminum EMI RFI Shield Ring Precision Turning Electronic Conductive Shield Sleeve
Made of high-quality aluminum alloy, our EMI shielding rings feature precision CNC turning and knurling processes with tight tolerances up to ±0.01mm, ensuring excellent dimensional accuracy and fit. Designed with reliable EMI and RFI shielding performance, they effectively block electromagnetic interference to protect sensitive electronic components, supporting optional surface treatments like conductive anodizing or nickel plating for enhanced conductivity and corrosion resistance. Lightweight yet durable, these custom machined rings are widely used in communication devices, consumer electronics and medical equipment; simply press-fit or install them into designated positions to achieve stable shielding, with OEM/ODM customization available for specific size and application requirements.







Huizhou Zhenfeng Precision Hardware Co., Ltd. is located in Huizhou Zhongkai High-tech Industrial Park. We are a professional manufacturer integrating R&D, production and global export of precision copper hardware parts. With years of experience in CNC precision turning, we specialize in brass, copper and phosphor bronze pins, sockets, terminals and custom precision turning components. Equipped with advanced CNC lathes, Swiss machines and high-precision inspection instruments, we maintain stable large production capacity and fast lead times for samples, small batch trials and mass long-term orders. We adopt premium national standard copper raw materials and strict three-level full-process quality inspection, comply with ISO9001 management system, and all products meet RoHS international environmental export standards with complete material and compliance test reports available. We support flexible customized production based on customers' drawings and samples, including adjustable sizes, specifications and various plating surface treatments. As a direct factory without middle dealers, we provide reliable delivery, excellent cost performance and thoughtful after-sales service. Serving electronics, automotive, communication and new energy global customers for years, we sincerely build long-term stable and win-win cooperative relations with worldwide partners.

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