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![]() Based on a sustainable long-term vision, we consistently provide our customers with best-in-class solutions and services. RuiDu Mechanical and Electrical (Shanghai) Co., Ltd. is a leading global manufacturer and system solutions provider specializing in power testing equipment. Established in 2014, we are dedicated to the independent design, development, and production of high-voltage power test equipment. Our product range includes testing equipment for substation transformers, high voltage switches, mutual inductors, lightning ... [Details] |