Patent certification, Keep warm. Natural temperature rising.
With test of Tze Chiang Foundation of Science and Technology the functions of product remain unchanged after washing
Accelerate blood circulation, enhance metabolism, allow body temperature rise quickly to keep warm
With test of Taiwan Textile Research Institute, the down has far infrared emission and natural temperature rising function
With test of Tze Chiang Foundation of Science and Technology, the functions of product remain unchanged after washing
The only patent certificate for far infrared in Taiwan