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.
DetailsLearn transformer oil testing methods, BDV testing procedures, IEC 60156 and ASTM standards, result interpretation, and how to choose oil testing equipment.
1410-2026Wrindu announces the 2026 National Day holiday schedule from October 1 to October 7. Contact our team in advance for order and shipping arrangements.
3009-2026Wrindu will be on holiday from September 25–27, 2026. Contact our team early for shipping and order arrangements before the National Day holiday.
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