As people’s requirements for quality of life have improved, but air quality has gradually declined, fresh air systems have emerged. However, some people will say that they co…

Humanity began to pay formal attention to the impact of PM2.5 on life and work in the 1930s. When manufacturing aviation instruments, especially gyroscopes, we found serious qualit…

The filtration mechanism of microporous membrane is mainly interception. Retention can be divided into the following types: mechanical retention, adsorption retention, bridging ret…

Membrane separation is a new separation technology that appeared in the early 20th century and emerged rapidly after the 1960s. Membrane separation technology has the functions of …

A razor is a personal care product that contemporary men cannot live without. Comfort and use are both crucial. The basic requirements for consumers when choosing a razor are that …

Today’s clean rooms have been widely used in electronics, aerospace, machinery, chemical industry, pharmaceuticals, food, bioengineering… all walks of life. With the ra…

In the fast-paced life, manual brushing can no longer meet the growing “lazy” needs of lazy people. More and more people are starting to buy electric toothbrushes. Nowa…

Hepa filter material is often used on HEP ​​filters. HEPA filters are made of high-density fibers and have a strong ability to capture particles. It has large adsorption capacity, …

Medium is not only the basic material that provides cell nutrition and promotes cell proliferation, but also the living environment for cell growth and reproduction. There are many…