Xinhongyu Plastic Co.Ltd. is a large profile enterprise and it it designated by the State Ministry of Construction. We have passed the attestation of the quality system ISO9001:2000, and our product quality is under the insurance of China Ping'An Insurance Company. We have a part of product has been attestated by American AAMA.We produce casement profile, slidng profile, usa style profile, slidng window, casement window, double huge window, usa style window, sliding door and casement door.Our products are not aging, going bad and deformed for 30 years, broadly used for the high grade decoraction for doors and windows in high, middle and low building s and all kinds of villas.