Jiangsu Hanyao is the biggest manufacturer of air-activated warmers and medical heat patches in China, and als the biggest manufacturer of non-woven fabric composite film for air-activated warmers and heat patch uses, Hanyao can take up more than 60% market shares in whole China, this video shows the production process of air-hole punching on the fabric, the deepth and dimension of air hole will affect the contact area of oxygen with inner black materials, and then affect the speed of heat up, stability of temperature and duration.
It is also the reason why our quality can be controlled much better than other suppliers, because all the process of fabrics are made in our own factory, the data can be controlled exacter and stricter, less temperature error means safer and less risk of low-temperature burn! More details, pls visit our website www.jshanyao.com!
