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.