DERAD was established in 1989 and has steadily grown to be one of the largest and most successful family owned window companies in China.
DERAD offers a comprehensive range of aluminium, wood-aluminium, solid timber and PVC windows and doors for residential and commercial application.In addition, conservatories, curtain wall and balustrades are also available to complement our windows & doors systems providing full building solutions.
With over 35 years of experience in doors & windows manufacturing, we've honed our team to become among the top in the world.
1989 Establishment of Shanghai Nanzhu Plastic Windows & Doors Co.,Ltd. in Shanghai
Certified in accordance with ISO9002 Quality System
Authorized by ALUK Italy as a licensed fabricator; Set up a production and processing base in Chuzhou, Anhui
Authorized by Schüco as a licensed fabricator
Certified in accordance with DCI global ISO9001:2015 Quality System; Award the & quot; High and New Technology Enterprise (HNTE); by Shanghai Government
Award the Shanghai "Specialized and Sophisticated" enterprises
2020 Certified in accordance with TUV SUD and ISO9001:2015 Quality System
Awarded "High and New Technology Enterprise (HNTE)" by the Shanghai government for three consecutive terms.
Quality control is critical in production, and at company, we have one of the most stringent checking procedures in the industry. Our experienced workers have continuously improved themselves, ensuring that our products meet the highest standards of quality.
Our partners work with us together to deliver high-quality products and courteous service,earning the trust of not only our customers but also our partners.
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