How to construct negative ion coating? How long is the validity period?

Ordinary decoration coatings may contain a lot of harmful substances such as benzene, xylene and formaldehyde, which volatilize for more than ten years, pollute indoor air and easily cause respiratory diseases. Hongyan art paint is well aware of the necessity of health and environmental protection to the living room environment, and is committed to developing new coating products: extracting "air vitamins" from nature, and integrating them into various series of coating products with sophisticated production equipment and superb technology level to release negative ions and purify the air.