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Company Profile

Changzhou Sanyou Dissan Protective Materials MFG Co., Ltd., a state-holding enterprise under China Aerospace Science and Technology Corporation, is mainly engaged in R&D and manufacturing of automobile films, functional films for building glass and special protective films.


With a registered capital of CNY304.4276 million, the company has two production bases in Changzhou, Jiangsu and Xi'an, Shaanxi . It has nine imported precision coating production lines and nine cutting production lines, with an annual production capacity of 80 million square meters. It is a large-scale functional film material R&D and production base in Asia with products exported to different nations in the world.


With a professional R&D team led by doctors and masters, the company has more than 60 countries authorized patents (including 15 patents for invention) . It has mastered the core production technologies such as precision coating, film structure design and surface treatment, spectral selectivity control, functional formula design and manufacturing, color adjustment and fixation, etc., thereby solving a lot of long-term technical challenges for the industry. It is no doubt the industrial leader both in China and abroad. 


The company has obtained certifications of ISO9001 Quality Management System, ISO14001 Environment Management System, ISO45001 Occupation Health Safety Management System, BSCI International Social Responsibility System and CTC National Energy-saving Products. It has gained national high-tech enterprise, Jiangsu High-performance Optical Film Material Engineering Technology Research Center and Jiangsu Recognized Enterprise Technology Center. It has participated in drafting many national standards and industrial standards of automobile window films and functional films for building glass, and honored to be the ninth manufacturer member of International Window Film Association (IWFA) in the world.


For more than a decade, by pursuing the business philosophy [seek common development with users and create wealth for shareholders, committed to common affluence with employees and create prosperity for the society" as well as the spirit of [seek truth, forge ahead and never be satisfied", the company has become a global professional manufacturer and supplier of functional film materials with scientific and efficient management, excellent and reliable quality and honest and satisfactory service.

Company Culture

SANYOU inherited 
from China Aerospace

  • Slogan

    Sanyou Dissan is honor and value
    Sanyou Dissan is honor and value
  • Vision

    To become the world's customer trustworthy functional film materials supplier

    To become the world's feature film

    production supplier user trust

  • Enterprise

    Never cease to advance
    Never cease to advance
  • Values

    Seek common growth,
    createWealth of shareholders.
    Seek common prosperity,
    createValue for society.

    Seek common growth,

    createWealth of shareholders.

    Seek common prosperity,

    createValue for society.

Honorary Certificate

National high and new technology enterprise, IWFA broad member, 

automobile diaphragm to participate in drafting unit of the national standards,

building glass in feature film to participate in drafting unit of the national standards, the Chinese solar film brand alliance launched units, 

enterprise technology centers recognized by the Jiangsu province,

jiangsu province high performance optical thin film materials engineering technology research center, 

China building glass and industrial glass association member...

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