There are many air purifiers on the market at present, but there is no corresponding regulation. Consumers must be careful when choosing air purifiers and make sure to se…
This specification is applicable to all gasoline chain saw FFU tests conducted by the company.
There are two types in terms of shape. One is a rectangular shape, and the other has a sloping top. The upper part of the FFU is made into a sloping shape, which has a fu…
FFU (Fan Filter Unit) is a combination of a fan and a filter, and it can also be called "a filtering device with its own fan".
The primary efficiency liquid tank filter is suitable for filtration in central air conditioning and centralized ventilation systems; large air compressors; clean return …
With the rapid development of industry, the environment has become a "victim". The air quality and water resources are the most severely polluted. The water quality can b…