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GUOHAO

Qinghe Guohao Auto Parts Co., Ltd.

Qinghe Guohao Auto Parts Co., Ltd. 22 years of professional filter manufacturing experience. Your trusted partner for heavy-duty filtration solutions.

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Home>News & Updates>An accurate way to determine the quality of an air filter
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2024-03-24

An accurate way to determine the quality of an air filter

An accurate way to determine the quality of an air filter

Application of ISO5011 testing standard for air filters

ISO 5011 testing is the authoritative standard for evaluating the quality of air filters, covering key test items such as initial filtration efficiency, initial intake resistance, dust holding capacity, and full-life filtration efficiency.

Our company established a standardized laboratory in 2024, equipped with professional ISO 5011 testing equipment. Through precise testing, we continuously identify issues and improve the quality of our air filter products.