... with our own patents Mente Nano Tio2 Liquid Coating for wall surface1,Product function:Quantum Photocatalyst has the function ... apply in household environment, public places, vehicles, medical institutions, education units, air-conditioners etc., can wipe off harmful gas, sterilize, eliminate ... mlExecutive standardQB/MD2005001Validity2 years nano tio2 photocatalyst liquid coating for wall surface