Blue Sky Filter is a professional air filter supplier and car air filter manufacturer in China since 2009.

active carbon air filter's qualifications and internationally authoritative certifications
Active carbon air filter is found to be compliant with various requirements of qualifications and certifications. Nanjing Blue Sky Filter Co.,Ltd. has been tested by major internationally authoritative institutions. This plays an important role in our advance towards the global markets as many foreign customers value much on the certifications. Since we are established, we have accumulated some knowledge about how to pass the tests specified in the certifications. The process is complicated and tedious, but what we have done all worths it. If customers want to have a look, please browse our official website.
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Blue Sky has earned a great reputation from the market due to the ability and competence in developing and manufacturing activated carbon particle filter. automobile filters is the main product of Blue Sky. It is diverse in variety. Blue Sky industrial vacuum cleaner parts is developed by the R&D team who are acquainted with the combination and formula of different fabrics and dye agents. Compared with similar products, this product has superior performance and long service life.
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During our operation, we are working towards climate change. We make great efforts on reducing CO2 emissions and water waste.

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