... oxygen, bacteria, odours and flavours. Other properties that make aluminum foil so valuable are heat conductivity, strength, impermeability, ... stock manufactured by Chinalco.2.FDA,QS certificated.3.Company aim: biggest and most professional converter aluminium foil ... ,food,cigarette packing and insulation field.Application:Aluminum Foil are used for Cooking, Storing, Freezing,and wrapping.Surface ...