Dongguan S-King Limited, widely known as a credible China-based manufacturing company, has a strong ability in developing and producing heated socks. heated underwear is one of Dongguan Shujian Shoes Material Company's multiple product series. This product will not accumulate bacteria and mildew. Its material structure is dense and nonporous, which make the bacteria have nowhere to hide. It is highly valued by our partners such as Invisole and Heatup. If you are not confident enough in our quality of best heated work gloves, we can send free samples for testing first. It stands over 1,000,000 times of anti-bending test.
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