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.
DetailsWrindu successfully attended ETE 2026 Vietnam Expo held at SECC Ho Chi Minh City. Meet our power test equipment team and explore portable electrical testing solutions for energy industry.
1707-2026Wrindu technical team visited customers in Vietnam to discuss power testing equipment performance, collect field feedback, and improve high voltage testing solutions for global power systems.
1007-2026Learn what creeping leakage current means in high-voltage insulation testing. Understand causes like moisture, thermal runaway, and partial discharge, how to read I-V curves, and how to troubleshoot unstable leakage current for accurate diagnostics and safer electrical equipment testing.
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