About Us

HEPA filter manufacturer
Changyuan Technology Industry Co., Ltd was founded in 2000 , it's located in Dongguan, which has the reputation of International Manufacture Center. Changyuan now is an authorized National Hi-tech Enterprise, possessing fixed asset amount to 30 million RMB.

As a high-tech enterprise that engaged in R&D of air filters and air purifying products, after nearly 16 years of development, Changyuan now becomes a scale enterprise which includes research, development, production and sales, our products are widely used in air purifiers, fresh air systems, central air conditioning systems, atmospheric environment and other fields.
With perfect quality management system by combining with the new version of GMP, we gained both ISO 9001 International Quality Certificate and ISO 14001 International Environmental Certificate which can completely meet with the new version of China GMP, USA FDA and EU-GMP standards, our products are all strictly processed in standard clean room as per ISO9001 required, from G series pre filer to the ULPA filter which with the accurate efficiency of 99.9995% at 0.12um, all are completely meet the customer's requirements. We also introduced the MPPS high efficiency testing devices from U.S.A. thus our products quality have been past the customer's approval such as: BOARD, SAMSUNG, LG, SAE MAGNETICS(H.K)LTD, MIDEA, HAIER,BYD auto, FOXCONN etc and honored to be their reliable supplier...

Air Filter Application

  • cooling nozzle
    Public building air purification


    Office buildings



    Shopping malls

  • shower nozzle
    Industrial plant air purification

    Motor plants



    Fine Mechanics

    Printing plants

  • mist nozzle
    Electronics air purification

    Precision electronics



  • Washer Nozzle
    Food industry air purification

    Food & Beverage

  • air nozzle
    Bio clean room air purification

    Pharmaceutical cleanrooms

    Laboratories and Bio-Safety Labs

    Life Science