Anhui Koyo Door & Window Engineering was founded in 1992. We are an ISO 9001:2008-certified enterprise specialized in the design, development, manufacture and trade of plastic profiles, doors and windows. We own full sets of production lines and molds from Austria and mixing equipment from Germany. With such, our annual production capacity is 50,000 tons plastic profiles, 200,000 square meters of plastic doors and windows.
With high quality, fine technology, strict quality assurance system, KOYO brand profiles, windows and doors obtain society's widespread approval, and we acquired The 1st Rank Door and Window Engineering Qualifications Certificate and Well-known Brand Product Certificate .
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