... cosmetics, health products, manufacture of ceramics, paper, wood, medical, beauty, health supplies, home supplies, bedding, automotive supplies ... Product ingredients : Chemical Specifications: Zr2o3 (30%) MgO Fe2O3 (20%) AL2O3 (14%) clay othersTest report:CHINA NATIONAL ... .Our far-infrared heater products passed the test of china national infrared & industrial elctrothermal products quality supervision ...