... panel the new celling products: aluminum alloy frame, AF20 thickness is only 15mm, The width of border: 13.5mm, AF21 ... 10mm, The width of border:13.5mm, AF22 thickness is only 8.86mm, width of border. 2.Saving energy, green ... ultraviolet light and no other radiation, does not produce electromagnetic interference, do not contain any harmful substances, not harmful to the body, using recyclable ...