1, there are still many products on the market at present, and everyone will like some products with good performance.
2. Shanghai Kangjiu UV air disinfection machine is commonly used in the market.
And it is * * * nature.
Generally 3-4 years will not be a problem. He comes to clean the filter for us every year.
Maintenance, there are very few manufacturers with this kind of after-sales service now, and almost all their machines are used in our whole region.