Anhui KOYO Door & Window Engineering Co., Ltd., started in 1992. She is a comprehensive building material enterprise specialized in design, development, manufacture and trade of plastic profiles, doors and windows. She owns full sets of production lines and moulds from Austria and mixing equipments from Germany. The annual production capacity is 23,000 tons plastic profiles, 150,000m2 plastic doors and windows.With perfect quality, fine technology, strict quality assurance system, “KOYO” brand profiles, windows & doors obtain society's widespread approval, and acquired series of certificates such as “ISO9001-2000 Quality Management System Certificate”，“The 2nd Rank Door and Window Engineering Qualifications Certificate”，“Well-known Brand Product Certificate”, “National Exemption From Quality Inspection Products”, etc.Anhui Koyo Windows & Doors Engineering Co., Ltd. is specialing in produce UPVC-profiles, windows and doors. Our products are of national Exemption from Quality Inspection Products. We have 50, 60, 73,80,90 series pvc profile for windows and doors of casement and sliding system.
