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Dongguan Ruihe Electronic Technology Co., Ltd

Dongguan RH Electronic Technology Co., Ltd. (WinHoo) is a trusted manufacturer specializing in personal comfort electronics since 2010. Based in Dongguan, China, we focus on designing, developing, and producing premium USB mini fans, hand warmers, and compact cooling devices for global markets.

With over a decade of industry expertise, we combine precision engineering, reliable performance, and user-centric innovation in every product. Our in-house R&D and quality control systems ensure each item meets international safety and quality standards, while our flexible production capacity supports both standard and custom OEM/ODM orders.

At WinHoo, we aim to bring convenience and comfort to daily life through smart, portable solutions. Whether for personal use, corporate gifts, or retail distribution, our commitment to quality and service has earned us long-term partnerships worldwide. We look forward to powering your brand with our reliable, stylish, and eco-friendly personal comfort electronics.

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