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Hand Warmer Iron Powder

There are hand warmers today, the core of which is iron powder. This iron powder plays a key role in hand warmers.

The hand warmer is based on iron powder and supplemented by various materials. When the iron powder encounters air, it gradually oxidizes, generating heat to warm the hands. This change is not rapid, but slow, and can provide heat for a long time to keep the temperature of the hands.

And this iron powder has stable purity. When making hand warmers, it has been carefully selected to ensure that it is of high quality. It is convenient and safe to use, and is a good choice for warming hands in winter. The world holds this thing in winter, which can withstand severe cold and enjoy warmth.