Shielding cover and frame are mainly made of stainless steel and white brass, of which white brass is a metal shielding material that can be easily tinned. EMI stands for electromagnetic interference, that is, any electrical interference that causes component perfomance failure. The main role of EMI shielding cases is to stop the electromagnetic waves in the cover, and to protect users from the hazards of electromagnetic radiation, while avoiding interference with other electrical appliances around to ensure that the components from dust and to extend the product service life.Q: Do you sell ready-made products? A: No, we don’t sell standard goods. We only customize non-standard metal parts. Q: What is the technical level of your company's engineers? A: Our company's engineers have more than ten years of experience in the hardware industry. Our engineers will help customers solve technical problems. Q: Can I get a sample for metal stamping parts? A: Yes, sample order is available for quality check and market test, and it will be freight collect payment.Mingxing is an industry-leading manufacturer of stamped metal parts and assemblies for use in a variety of industries. We’re professional on the manufacture of shielding components designed to block outside electromagnetic energy sources for demanding applications. With many years of production and management experience, our high quality and well-performing shielding cases can ensure your application’s electronic components or systems are safe from electromagnetic interference.1.Provide OEM service and assembling service since 1998 2.One-stop purchasing service: stamping parts, CNC milling parts, CNC turning parts, auto lathe parts, springs, shafts, fastener etc. 3.With professional engineers team can help you for projects research and development(R&D). Meanwhile we can suggest the most suitable material and manufacturing progresses for your products to save the cost and ensure the quality and usage. 4.Management certification: ISO/9001:2015 and IATF 16949 Passed