... 2.ISO 9001:2008 3.SGS cet Tourmaline magnetic knee support(ZJ-0101)Efficacy:1. Promote cell metabolism, activate cells, thus ... cells, reduce blood viscosity7. Strengthen and improve the body's immune function, improve human resistance to illness8. Have anti-aging function ... lipid metabolism, have the cholesterol-lowering effect.... Tourmaline magnetic knee support(ZJ-0101)