Liquid filtration material refers to the material that can effectively retain the suspended particles or impurities in the liquid, and make the liquid pass through to achieve the purpose of purification, separation or clarification. Its basic principle is liquid through the pore or mesh structure of the material. In this process, the particles are retained due to the volume is larger than the pore size.

As mankind's knowledge of viruses and hazards has deepened, protective clothing has also evolved. Now, protective clothing has been applied to a variety of fields, such as firefighting, completion, petrochemical, biological sciences and other industries.

In recent years, the melt-blown technology used to manufacture non-woven products is predicted to be one of the fastest growing technologies in the non-woven industry.