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Company Profile

J & D’s History

Our Misson

Honors

R&D

R&D Power

Testing Capability

3000+ Filtering Solutions

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Air Filter

Gas Filter

Humidifier Filter

Water Filter

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Industry News

Finally, there is evidence to follow! The standard for air purifier filters will be officially introduced next year

On March 28, 2017, it was reported that the air purifier market is currently very unregulated and urgently requires rele...

Finally, there is evidence to follow! The standard for air purifier filters will be officially introduced next year
Learn more
The higher the price of the air purifier filter, the better the performance? The fact is

In recent years, with the improvement of people's health awareness, air purifiers have become a standard configurati...

The higher the price of the air purifier filter, the better the performance? The fact is
Learn more
In depth analysis: How many levels of HEPA filters are needed to resist haze?

Consumers who have been familiar with air purifiers must know that the most essential "haze removal" component...

In depth analysis: How many levels of HEPA filters are needed to resist haze?
Learn more
In depth analysis: How many levels of HEPA filters are needed to resist haze?

Consumers who have been familiar with air purifiers must know that the most essential "haze removal" component...

In depth analysis: How many levels of HEPA filters are needed to resist haze?
Learn more
The function of the HEPA filter is to filter out small particles

The function of the HEPA filter is to filter out small particles (commonly known as PM2.5), bacteria, and various allerg...

The function of the HEPA filter is to filter out small particles
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Can the filter of the air purifier be washed? How to wash?

The filter of an air purifier can be cleaned, but not all filters can be cleaned. Nowadays, air purifiers are mainly equ...

Can the filter of the air purifier be washed? How to wash?
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The most comprehensive and detailed explanation of HEPA filters, after reading it, you will become an expert

Whether we are buying an air purifier or a fresh air system, we will hear merchants mention "HEPA filters", bu...

The most comprehensive and detailed explanation of HEPA filters, after reading it, you will become an expert
Learn more
What does HEPA filter mean by single filtration rate?

HEPA is a high-efficiency air filter. According to the single filtration rate calculation, standard HEPA filters can fil...

What does HEPA filter mean by single filtration rate?
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HEPA filters of grade 12 and above have become standard equipment for high-end purifiers

For consumers, there is actually no need to be familiar with the dry regulations of the standards, as long as they know ...

HEPA filters of grade 12 and above have become standard equipment for high-end purifiers
Learn more
Can the air purifier achieve the nominal purification effect at the factory after replacing the filter?

The investigation conducted by Hebei Provincial Environmental Protection Institute involves 6 popular brands and 7 model...

Can the air purifier achieve the nominal purification effect at the factory after replacing the filter?
Learn more
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