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Sai Sheng specializes in RF shielding equipment and audio noise shielding equipment. a professional supplier of RF and audio testing equipment.We has a senior engineering, project manager and marketer with more than 15 years of experience in the electronic test and measurement and electronics manufacturing industries. We provide customers with tailor-made shielding boxes, soundproof boxes, automated testing systems, automatic plug-in modules, coupled antennas, etc.