... supply the OEM,ODMserive 3.ISO 9001: Magnetic men's T-shirts/Men's Magnetic fiber T-shirts/Magnetic fiber T shirts ... human body such as shoulder, stomach, waist, heart, women galactophore, men abdomen, etc. With the powerful bio magnet effects produced by ... nervous system and autonomic nervous system, relieve joint soreness and muscle stiffness. Function:magnetic fiber is benefical to our human health ...