It was hard to find a reliable company on the internet, we have been lucky to start working with them instead of other similar sites offering same goods on a higher price basis.
Tip for consumers: They are member of China Factory Union Cooperative of Manufacturers part of Magina Group where we easily can find any goods at a reassonable price with certified quality.
Products used: Covid-19 industrial and medical use High efficiency particulate air filtering device of Indoor use equipped with Primary effect net + activated carbon cotton net + high efficiency filter + UV + cold catalyst ideal for protection against covid-19