Have you ever wondered why a simple warming patch can soothe a stubborn ache or melt away menstrual cramps? At Hanyao Medical, this isn’t just a comfort; it’s a science we call Therapeutic Heat (Thermotherapy).
As a leading manufacturer of air-activated heat patches, we are often asked: “What makes your heat different from a hot water bottle?” The answer lies in precision and stability.

Therapeutic heat works by expanding blood vessels (vasodilation). This boosts blood circulation to the affected area, bringing in essential oxygen and nutrients while flushing out pain-inducing inflammatory waste. However, not all heat is therapeutic. Too hot, and you risk low-temperature burns; too inconsistent, and the therapy is ineffective.

We believe true therapeutic heat must be a steady, gentle embrace. That’s where our core expertise comes in. We don’t just “make patches”; we engineer them.

Our R&D team meticulously controls the oxygen permeability of our non-woven fabrics (which produce bu ourselves) to regulate the chemical reaction inside the patch. This allows us to guarantee a stabilized temperature for over 12 hours. It’s this precise engineering that earned our patches the prestigious EU MDR (2017/745) certification.
When you choose our heat patch, you aren’t just buying a sourcing solution; you are investing in a safe way to deliver comfort. We are proud to be the warm heart behind your brand.