Who we are

Longday is a professional solutions provider of air filtration products.
We design, produce, and deliver high-efficiency filters and filter elements for manufacturers (OEM) and wholesalers worldwide according to customer requirements.

We cover the needs of different market segments such as: On road, Off road, Marine and Air Purification Systems for indoor air quality, Railway, and Industrial.

We meet the strict filtration requirements of all major sectors including automotive, mining, agricultural, construction, heavy-duty machines, energy, biotechnology, food, and medical industries.

About Us
APPLICATION EXAMPLES

Longday air filters are designed to guarantee safe and clean air for human health and machinery within various main business sectors!

Longday Product Overview

Industrial and Marine Filters  –  short brochure

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Longday Product Overview

Customized Cabin Filters  –  short brochure

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Our global network