COZING MEDICAL original established in Jan. of 2000, COZING is the professional manufacturer for the laser therapy watchs, knee pain relief laser therapy device, hand-held laser therapy device, multi-functional pain relief laser, low level laser treatment instruments, gynecology laser therapy device, slimming belt, prostate therapy device, breast light screening device, oxygen generators and kinds of home use instruments with well-equipped testing facilities and strong technical capability. with a wide range, good quality, reasonable prices and brilliant designs, our products are extensively used in hospital, clinic and home health care.