Qingdao HuaNuo Maxwarm Commodity Co., Ltd. is a professional self-heating warm pads manufacturer, such as disposable hand warmers, peel and stick warmers, steam eye masks, foot warmers, and shipping warmers. They are one of the biggest hand warmer manufacturers. They sell more than 2,000,000,000 pieces every year. They provide one-stop OEM/ODM service, too.