New period pain patch-20x10cm

HANYAO-New-period-pain-patch-20x10cm

The size of our new air-activated period pain patch is 20x10cm, it can heat up to 8 hours, targeted, fast acting relief of menstrual cramps & back pain in a discreet heat patch…

Different types of muscle pain

types-of-muscle-pain

Muscle pain can be divided into different types, depending on the cause of the pain and the manifestation of symptoms…

Seal Test of Inner bag

HANYAO-Seal-Test-of-Inner-bag

Start the vacuum seal performance tester and adjust the pressure into 0kPa, then open the transparent pressure vessel…

Toe Warmer Tension Testing

HANYAO-Toe-Warmer-Tension-Testing

Check out the video, we use a tensile tester to test the tensile strength of the Toe Warmer Non-women bag…