Dean Group at CWIEME Shanghai 2025

At CWIEME Shanghai 2025 (June 25-27, Shanghai World Expo Exhibition & Convention Center), Dean Group presented its pioneering electrotechnical solutions as an authoritative invited exhibitor, spotlighting groundbreaking innovations from its specialized subsidiaries.

Sino Insulation Materials Co., Ltd. introduced its revolutionary Expansion Slot Liner for EV Motors – a high-temperature material engineered to fill critical gaps between windings and stator slots, permanently bond components into a unified structure, and eliminate traditional varnishing processes.

Shanghai Dean Electrical Co., Ltd. featured its next-generation Corona Resistance Tester for EV Motor equipped with real-time infrared stator temperature monitoring technology. This advanced system enables precision insulation integrity assessment through simultaneous corona detection and thermal analysis for EV motors.

As the accredited third-party testing laboratory within Dean Group, BYT holds dual CMA and CNAS certifications. This authoritative status enables BYT to deliver comprehensive testing services—including insulation performance, hazardous substance analysis, thermal endurance, and dielectric strength—alongside advanced material composition and quality diagnostics. During the exhibition, BYT's General Manager Mr. Shen detailed these capabilities in an exclusive interview with the event's official broadcast channel.

As a pioneer at the vanguard of motor insulation and testing innovation, Dean Group continues to redefine industry standards through relentless R&D and integrated solutions. We invite forward-thinking partners to join us in shaping the next generation of electric mobility – where cutting-edge materials, precision diagnostics, and uncompromising quality converge to power progress.