News

Wrindu announces the 2026 National Day holiday schedule from October 1 to October 7. Contact our team in advance for order and shipping arrangements.

Wrindu will be on holiday from September 25–27, 2026. Contact our team early for shipping and order arrangements before the National Day holiday.

Visit Wrindu at MEE 2026 Dubai from September 1-3. Discover advanced transformer testing equipment and high-voltage testing solutions at Booth SA.H69.

Wrindu 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.

Wrindu 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.

Wrindu welcomed an Indian customer delegation for a technical visit and live transformer oil BDV test demonstration. The visit included discussions on cable fault testing systems, transformer oil chromatography (DGA), and tan delta test equipment, showcasing Wrindu's advanced power testing solutions.

Wrindu signs a new contract with ETHIOPIAN ELECTRIC POWER to supply transformer, switchgear, and CT/PT testing equipment, which supports Ethiopia's grid upgrade and GERD maintenance.

Ruidu Company's bid submitted in response to the Procurement of Design, Manufacture, Test, and Supply of Substation Testing Equipment for Lot_2 has been evaluated.

Rui Du Mechanical and electrical (Shanghai) Co., Ltd. is honored to have won the bid for the POWERCHINA Hydropower Bureau International Company Ethiopia DDAHD Electrical Instrument Procurement Project!

Learn the differences between the Megger, Tan Delta, and Hi-Pot tests. Understand their purpose, voltage levels, and applications for assessing insulation quality.

Learn about partial discharge (PD) types and their impact on electrical systems. Early PD detection is key to preventing insulation failure and improving equipment reliability.

Learn about oil purifiers and their types, including vacuum, centrifugal, and de-coloring oil filter machines. Discover how they remove impurities, water, and gases from various oils like turbine, lubricating, and refrigeration oils.

RDDY-3000 is a portable high-power outdoor power supply with a large lithium battery. It offers reliable 220V AC output, ideal for on-site testing and emergency backup.

Discover the RDHL-200A Ground Loop Resistance Tester with high precision, four-wire measurement, and advanced safety features. Ideal for testing switches, cables, and high-voltage systems.

Learn how the Primary Current Injector tests relays, transformers, breakers, cables, and equipment with precise current injections for performance and safety verification.

Learn the essential safety principles of IEC 61010, including electric shock protection, mechanical robustness, fire containment, and hazard prevention.

Saudi Arabia's Vision 2030 focuses on transforming its energy sector through renewable projects. Explore key partnerships, including Chinese investments in wind and solar, and the nation's shift toward a sustainable, diversified economy.

2023.10.30— The power industry is undergoing a revolutionary transformation to meet the growing demand for electricity while focusing on reducing its environmental impact. Innovative initiatives worldwide are driving the power sector towards a greener and more digital future.

Learn how a CT and PT analyzer tests current and voltage transformers. Explore CT ratio, polarity, knee point, resistance, burden, and PT testing.

Compare Wrindu RDCD-II and RDCD-III Cable Fault Testing Systems with European brands. Discover differences in accuracy, testing distance, features, and cost performance for power utilities.

Explore how 80kV VLF AC withstand voltage testing detects early cable insulation degradation, eliminates hidden faults, and prevents unexpected power outages for utilities.

Learn 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.

Learn how the RDXZ-270kVA/270kV AC Series Resonance Variable Frequency Withstand Voltage Test Device uses series resonance to provide safe, energy-efficient, and precise high-voltage testing for cables, transformers, and GIS systems.

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.

Wrindu concludes MEE 2026 in Dubai, showcasing transformer, cable, insulation, partial discharge, and high-voltage testing solutions for power systems.

Visit Wrindu at MEE 2026 Dubai, Booth SA.H69, and explore high-voltage testing equipment, transformer testing, insulation testers, oil testing, and PD systems.

Wrindu joins MEE 2026 in Dubai from September 1–3. Visit Booth SA.H69 to explore high voltage testing, transformer testing, and diagnostic solutions.

Visit Wrindu at ETE Vietnam 2026 in Ho Chi Minh City. Discover advanced electrical testing equipment, transformer testing instruments, cable testing solutions, and high-voltage testing systems at Booth 171, Hall A1.

Wrindu successfully showcased advanced testing instruments at the 2025 Middle East Power & Electrical Equipment Expo in Riyadh. All products sold out, highlighting global trust in Wrindu's quality and innovation.

Join Wrindu at the 2025 Middle East Power and Electrical Equipment Expo in Riyadh. Explore innovative products like the RDHG-E Tester, Transformer Tan Delta Tester, and more.