Rui Du Mechanical and electrical (Shanghai) Co., Ltd. is a professional manufacturer and system solution provider for the global supply of power testing equipment. Rui Du Mechanical and electrical (Shanghai) Co., Ltd. was established in 2014, which focuses on the independent design, development and production of high-voltage power test equipment. The products cover substation transformer, high voltage switch, mutual inductor, lightning arrester, storage battery, cable fault, relay protection, insulation withstand voltage, insulation grounding and oiling equipment, SF6 equipment testing, power generator testing, water cooling equipment testing, instrumentation, spare parts, power quality management. All products of the company have passed international IS09001 quality certification, IEC certification and CE certification.
Wrindu has been cooperating with Uganda Electricity Transmission Company Limited (UETCL) since 2024, supplying high-voltage testing equipment for multiple 132kV substations including Kole, Gulu, Nebbi, and Arua. The equipment demonstrates stable performance, international compliance, and strong support for grid safety and substation reliability.
Details
Discover how Wrindu demonstrated series resonance testing, transformer DC resistance testing, tan delta testing, SF6 analysis, circuit breaker testing, and oil dielectric strength testing during a live factory visit with overseas customers.
2705-2026
Discover the key differences between AC cable and MC cable for industrial electrical systems. Learn how grounding methods, EMI shielding, moisture resistance, and durability impact performance in factories, substations, renewable energy projects, and automation systems.
2605-2026
Discover the Wrindu RDB-II Transformer Turns Ratio Tester designed for fast, accurate, and reliable transformer ratio testing. Features include three-phase testing, automatic tap changer detection, multiple protection functions, touch-screen operation, and support for various transformer types.
2105-2026
