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Based in Shanghai, China, Shanghai Duling Communication Equipment Co., Ltd. specializes in Optical Time Domain Reflectometers (OTDR), Optical Power Meters, and Visual Fault Locators (VFL), providing reliable and high-quality telecom testing solutions.
Room 201, Building B, 66 Shahe Road, Jiading District, Shanghai.
© 2025 Shanghai Duling Communication Equipment Co., Ltd. 26000000202210200430
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